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Kevin Quan Gives Diamondback’s Andean Life and Speed

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Diamondback’s new bike is the fastest bike in the world. Really. Flipping the world of bike engineering on its head, Kevin Quan and his team of engineers designed the Andean from the wheels up to create the most aerodynamic bicycle in the world.

“We set out with Kevin Quan Studios to build the fastest triathlon bike on the market, with no concern for the arbitrary limitations placed on bicycle design by the UCI,” said Diamondback product development VP Michael Brown. “Our Computational Fluid Dynamics (CFD) analysis and unique, best-in-class wind tunnel testing at the University of Toronto shows that we’ve succeeded in that endeavour.”

Kevin Quan, for his part, told Trizone he first started designing bikes in 2003. “From 2003 until 2008, I was senior engineer at Cervelo,” he said from the Paradise Bar in Kona.

“I was the product lead  for the first carbon P3 and the first S-bikes, the first carbon S-bikes,” Quan said, adding that in 2008, together with two colleagues he launched his own design studio in Toronto. “One of my first customers was Diamondback.”

Quan emphasised that his key strengths centred purely on the design side of products. “CAD is just a tool that we use to communicate to the manufacturing [division] what we’re actually trying to describe,” he said. “It’s just like a pencil for an artist; they’re experts in the pencil [itself] but that’s the tool that they use.”

Flipping the world of bike engineering on its head, Diamondback, along with Kevin Quan and his team of engineers, designed the Andean from the wheels up to create the most aerodynamic bicycle in the world. “I have an industrial designer and we have five engineers,” he added. “We started with the [former] and I said: ‘How about it? Give me whatever crazy things you think’.”

Quan said that this process yielded a myriad of potential design ideas and prototypes, in fact far too many from which to select. “I then drew on my experience recently of designing wheels and said that from an aerodynamic standpoint are very difficult to optimise in the middle part,” he added.

“The top and bottom are already aerodynamically efficient, but the middle part isn’t, and that’s where we started,” explained Kevin.

“I said to my designer: ‘Give me a silhouette that looks really good, but fills up… so there’s no space. Then we can make the fastest bike in the world.’” And Kevin’s designer did exactly that, and once the drawings were read, he just said ‘That’s it!’

 

Designing the bike according to a systemic approach, the Andean was made by fully integrating HED’s Jet 6 Plus wheels into the frame design, planning for a 24mm tire in the front and 26mm in the rear. Due to its ‘from the wheels up’ approach, the frame was created with an ‘Aero Core’ design to minimise drag, and has a unique inbuilt storage system that’s helping make the classic strap-on nylon bags redundant. While the final design aspects sound straight forward, it’s the remarkably complex scientific methods used in creating the Andean that have produced the world’s fastest road bike.

Software Calibration Gives Kevin a 2 Year Lead on any Competition

Kevin Quan’s engineering studio uses the complicated fluid dynamics of other firms as well as the KS1 model, but it’s their unique software calibration and laser diagnostic testing that enabled the birth of the Andean.

It began with a four-year collaborative project over the past two years involving Dr. Philippe Lavoie of the University of Toronto Institute for Aerospace Studies (UTIAS), his graduate students and their half scale wind tunnel.

“The tunnel has a rotating table, drums to spin the wheels and it’s all calibrated to the forces of bicycles. We built 50% scale models, including a rider,” explained Kevin. “This is where most other companies stop. They accept the numbers from their software and create a product from there.” But Kevin and his team pushed further.

“After getting numbers from the model in the tunnel, we fed those back into the software so it could become more predictive. You want to have an iterative cycle where you get your wind tunnel results, then calibrate your software to where they match.”

This approach meant Kevin Quan’s software had become predictive to the most precise degree. “It’s our trade secret. It’s not about the software we’re using, it’s that we put in the time to make it reflect what it is in the real world,” he noted. By utilising laser diagnostic testing, the researchers were able to measure the flow around the frame, plus the field of flow around specific elements like the cockpit, rear triangle and bottom bracket.

Rather than hinder development, the tunnel’s half scale size was of huge benefit. Due to the scaling of the tunnel, the team were able to adjust the turbulence more precisely, which helped them replicate both real world weather conditions as well as a raft of different riding conditions such as riding solo, in front of the pack and at the back of the pack.

“Often, manufacturers look at the frame in a vacuum without consideration for how it interacts with the rider or other components of the bicycle. By taking the integrated design approach, we were trying to see the rider and bike as the wind does – one unit fighting against aerodynamic drag,”said Diamondback.

It’s this unique approach to problem solving and design, along with his canny ability to turn everything on its head and create his own approach that has led Quan to create the fastest bike in the world. Although it’s fair to say he did have some pretty brainy help.

“We have a professor and grad students who have to get all the details right. If they publish in the academic world, it has to be spot-on! It’s not like other companies who cut corners to get market research, this was academically based,” he said.

Project Runway for Bike Design

Chatting with Kevin, you get the feeling you’re speaking with a true genius who’s been in the bike engineering game a while.  It’s been a two year process to create the Andean. “It’s a bit like Project Runway,”  said Kevin, describing the process of designing the world’s fastest bike. With so many different bike-related sports, it was Diamondback’s own history that started the journey towards the Andean.

“Phil Howe, President of Diamondback, was a finisher at Kona in the 80’s,” noted Kevin. “He was really keen to do a triathlon-specific bike.” This, plus Diamondback’s purchase of the Centurion line of triathlon bikes provided the final direction Kevin needed to get started. But they needed a point of difference, so they asked the athletes what they needed.

“Other brands survey ten of thousands of age groupers and riders, but we just wanted to ask the best,” continued Quan. “We sent out surveys to Diamondback’s three triathletes who then forwarded it to their peers. They told us it was all about the container. They wanted more stuff so they could self sustain for the whole race.”

Eager to move past the standard nylon bags with zippers athletes usually fill with their in-race nutrition, Kevin went to work on customising injection moulded plastics, rubbers and magnets to create storage boxes that become part of the bike. He succeeded, and the Andean allows riders to carry three water bottles, three bars, ten gels and an extra tube. By integrating usability with design, Kevin has created the difference that really helps athletes improve their longevity, without compromising on the all-important aerodynamics.

For those that love data, here’s how the bike performed in the wind tunnel

screen-shot-2016-10-14-at-10-46-21-pm

Run 1 (gray line)
This is the baseline test using a Diamondback Serios with HED Jet 6 wheels front and Jet 9 rear with Continental Attack/Force tires (22mm and 24mm), HED Corsair Aerobar, with no storage components. The Serios has been tested in the past against industry benchmarks such as the Cervelo P5 and Trek Speed Concept. The Serios’ strength is high yaw performance – almost 33% faster at 15 degrees yaw vs the competition but gives some back at zero yaw (about 5%)

  • Serios Baseline W
  • Front Wheel: Hed Jet 6
  • Rear Wheel: Hed Jet 9

Run 2 (turquoise line)
This is a comparative test of the new Diamondback Andean with identical setup to the Serios Baseline. The Andean was designed to surpass the competition at low yaw while maintaining the large advantage at high yaw that the Serios displayed. This successful test con rms that the Andean is 10% faster at zero degrees than the Serios and an even more impressive 32% less drag at -15 degrees. This is completely attributable to the Aero Core and fairing of the crank.

  • Andean Baseline
  • No Storage W/
  • Front Wheel: Hed Jet 6
  • Rear Wheel: Hed Jet 9

Run 7 (red line)
This is a ‘fastest con guration’ test of the Diamondback Andean with HED Jet 9 front wheel, HED Jet Disc, Force/Attack tires, HED Corsair, and Andean Storage accessories. In this con guration, competitive triathletes can store a full race compliment of food and liquids while maintaining industry leading aerodynamics. The Diamondback Andean demonstrates that it is truly the fastest triathlon bicycle in the world.

  • Andean Baseline
  • Full Storage
  • Front Wheel: Hed Jet 9
  • Rear Wheel: Hed Jet Disc

Kevin’s Biggest Tip for Purchasing a Bike

Start with the tyres, then the wheels, then the frame then the rest of the bike. “A lot of consumers do everything backwards, starting with the bike, then wheels. Because of the inflation and size changes from a 25mm to 28 once inflated, you should really start with the tyre.”

A cyclist and tech geek at heart with a passion for new shiny things and a huge appetite for triathlon. I spend most of my time between managing two of Australia's best triathletes and a traditional corporate life.

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Quintana Roo Unveils Its All-New PRsix Disc Triathlon Bike

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American Bicycle Group (ABG), the manufacturer of award-winning high-performance bicycles – Litespeed (LS) and Quintana Roo (QR) – this week unveiled its all-new PRsix Disc Series of triathlon bikes at the IRONMAN World Championships in Kona. Disc brakes enhance safety and reliability and are opening the door to improved wheel designs. With the PRsix Disc, there is no longer any restriction on rim shapes and tire sizes. The PRsix Disc is available in five colours – electric blue, neutron, atomic orange, teal, red, black/stealth – and limited colours and sizes are available now. The full line will be available in December 2017.

With no-nonsense braking, easy wheel changes, no rim width adjustments, and thru-axles front and rear, the PRsix Disc is stiffer than ever before and virtually eliminates wheel slip. New internal brake cable routing (front and rear) makes for a clean and more aero overall profile. The PRsix Disc is ready for new levels of aerodynamics, traction, and aero position comfort while racing at any distance.

According to ABG engineer Brad Devaney: “The placement of the callipers is unique and no-nonsense, and avoids gimmicks in the way of shrouds and covers. The rotors are incredibly aero efficient, and because of that, we’ve chosen not to add surface area and complexity. QR remains focused on efficient leading edges of the fork. For the rear brake, we’ve parlayed the LEA technology, which makes the non-drive side chainstay better than invisible. With no leading edge and an optimized ‘sail effect’ surface, we’ve nestled the calliper out of the amplified flow created by our SHIFT+ downtube orientation. I’m super excited to see the linking of technologies integrate so well in our latest design.”

“I’m thrilled about what we have done here,” said Peter Hurley, president, American Bicycle Group. “Our engineering staff has created a bike that is unlike any other in the market. The disc configuration they developed is a huge step and means that changing rim shapes no longer requires brake adjustment. We think it’s the best design ever.”

The PRsix Series, including the Disc, are nearly do-it-yourself bikes when it comes to mechanical fixes and shipping. No need to pay for specialized services when only two sizes of Allen wrenches and a basic knowledge of bike mechanics is needed. Easy to disassemble, ship and reassemble.

The new PRfive and PRsix Series bikes are painted and assembled at ABG’s 40,000 sq. ft. facility in Chattanooga, TN. QR is offering a frameset for $4,295 and has two bike versions – Shimano Ultegra Di2 disc with carbon race wheels for $9,595 and Shimano Dura-Ace Di2 Disc with carbon race wheels for $12,495, all of which can be preordered today.

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Review: KuaiFit Multisport headphones, not your usual set of sports headphones

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The complicated and over catered for sports headphone market is certainly jam-packed with products competing for your aural dollar. Most of the headphones are simply ‘sportified’ copies of the standard headphone (with a price tag to match), with limited, if any benefit to a multi-sport athlete.  Most of us will appreciate the frustration the first time you try to run without an ear loop on your headphones and the tinny base marketed as a safety feature!  Kuaiwear the company responsible for the KuaiFit headphones take a drastically different approach to the market, their multisport headphones are developed as a training enabler, providing real-time feedback, coaching, and improvement plans all while providing a decent set of headphones to blast Tay Tay to your heart’s content.

Models, Options & Pricing

The KuaiFit headphones currently come only in a sweat resistant run, bike and gym dry land multi-sport model, which is the focus of this review. Kuaiwear tells me that there is a swimming model due to be released Q1 2018 rounding out the appeal for triathletes, something we will update you on when they are released.  The KuaiFit headphones current retail for $159 USD on Amazon.  You can also buy the headphones with an ANT+ Cadence sensor for $209 USD or the Cadence sensor later for $49 USD, which when compared to the standalone and compatible Garmin GSC-10 is a bit at the expensive end of town.

Update: – Amazon currently have both the swimming model available for pre order and the base non swimming version.

Unboxing, construction & Fit

The first thing that strikes you when opening up the Kuaifit box is the size of the headphones, and they’re huge.  This has to do with Kuaiwears decision to enable changes to the heart rate, plan and in-flight programme and music without the need for an app, more on this in a minute, but the inclusion of physical switches is a welcome one.  The large loop fits snugly over your ear (excuse my ear and grey hair in the picture), and I couldn’t help feeling that these would look great next time I was to get assimilated by the Borg.

I did multiple runs and bikes with these headphones with some significant efforts thrown in, and they stayed in place throughout, an impressive feat, granted I did get some strange looks and a few questions!

Lots of toys in the box

Also, makes you more attractive at your next comic convention.

The earphones come with the standard set of interchangeable earpieces, depending on the size of your ‘ere oles’ and they all feel very comfortable.

The headphones can be recharged using a standard Micro USB charging port under one of the earbuds, as you can tell this design will certainly keep the sweat out.

Update – Post review Kuaiwear tell me that the USB port has been waterproofed to 5m to provide an added layer of protection for the base unit.

Great decision by Kuaiwear to have manual buttons on the headset.

Sweat resistant charging port under the earpiece.

Background and Framework

KuaiFit was successfully funded on KickStarter back in 2015 and shipped in 2017. They are more of an integrated system than a pair of headphones with multiple parts which I will talk about individually. In summary, its comprised of a set of sports headphones with an integrated Heartrate Monitor, a website used to track stats and plans, a phone App (Apple and Android) for real-time visual feedback and a desktop App for syncing music and maps (in the future).

Setup

The first step is to establish a user account on the Kuaifit website, used to download plans, manage your activities and settings.  The App on your phone, is your real-time visual interface into your headphones, displaying metrics such as Heart rate and cadence.  Finally, you have your headphones, which you pair with your phone as a regular set of Bluetooth headphones.  The process isn’t particularly onerous and well documented. However, you do find yourself jumping around websites and phone functions a fair bit with the overall process taking me 20 minutes or so.  The headphones strangely come pre-loaded with some euro trance music and ‘train-esque’ easy rock which plays during setup and whenever you start the App, presumably to get you in the mood.

Headphones, Sound Quality & pairing options

A good pair of sports headphones need to be able to blast out your tunes to keep you motivated, right? Well, the KuaiFit headphones are surprisingly full-featured. The headphones have 8GB of memory inbuilt, enough for 1,500 songs (more than sufficient for an Ironman build), but it can also actively stream music over Bluetooth.  Once the tunes are cranking through the headphones, they provide clear audio, high volume, and solid bass. Something that’s important when you’re trying to blast out 150 BPM running bangers. Overall even without the training capabilities, these are a solid set of sports headphones.

One thing to take into consideration is that most of the earpieces for me almost entirely blocked out any external sound. I didn’t mind this running. However, it did make me feel uncomfortable riding outside.  Now I’m not a big fan of riding with headphones anyway, however, if you do, best to keep one out.

Kuaiwear tell me they have multiple earbuds available to help choose the amount of noise let in.  They were not present on the review unit, but suffice to say they should give you some control over the noise.

Stated playtime is 7 hours, and I found that the be pretty much bang on, so props there.

An innovative feature in the integrated heart rate monitor (HRM) within the headphones themselves. It’s an interesting decision to do so, and I initially wondered how it could produce an accurate measurement given the position. However, the science supports it seamlessly and accurately captured my max heart rate and in-flight heart rate as accurately as my Garmin does. When you are ready to go, you just select the activity using your controls and start the session using either the headphones standalone or via the mobile app.

Once in a session, you use the buttons on the side to adjust heart rate zones with the earphones providing real-time feedback as to where you are currently are against the zones.  If a training plan is in place, it will dynamically range and alert you if you are overperforming or underperforming.

The headphones also act as an ANT+ receiver, automatically detecting ANT+ devices near the unit and presenting them via the mobile App. There is no way to set up a manual paring, which is a huge oversight by Kuaiwear – it gives us an indication as to the target market. More on this later.

The Kuaifit ear phones also send data via ANT+ and Bluetooth, allowing Gym equipment and Garmin devices to use the earphones as a heart rate monitor.  A cool feature that could conceivably see you removing the need of a dedicated Heart rate monitor.

I initially tested the device at my squads Mag Trainer session, the device automatically picks up sensors within range, whilst simple to use, it can cause some issues if there are multiple devices around.  This issue needs fixing in a future release.

Paring with devices is simple in concept however I had trouble connecting to my earphones to some devices, in particular, power meter’s (Rotor and  Vector) and could only get a cadence sensor reading from a Garmin GC – 10.  Some ability to troubleshoot connectivity would be welcome via the mobile app.

Website

Most likely your first point of call is the KuaiFit website. The bare-bones interface gives you access to your history with the standard set of activity stats. It also gives you the ability to customise individual alerts for each of the sports, calorie burn, heart rate levels, etc. The website and App doesn’t allow you to change your heart rate zones for each sport (you can overall), which again is a major problem for cyclists. Our achievable maximum heart rate on a bike is often 10-15 beats per minute lower than running, something that you cannot adjust. Therefore the cycling programmes and heart rate will always be higher than where it should be.

The website also gives you access to a series of training plans for both cycling and running which are well constructed with real-time feedback. However, there are only six plans available, focused towards beginners, with plenty in the pipeline

Multiple alerts and configurable metrics. Shame I cannot set zones per sport

Only six training plans are available at launch. Additional plans are reasonability priced.

Mobile Application

The mobile App provides real-time feedback depending on the activity. It captures heart rate and cadence and is easy to understand. It’s quite limited in its stats so far. However, I’m sure this will improve over time.

Simple, easy to use mobile app – perhaps a bit too simple.

Conclusion

As you can tell the headphones are very clearly a version 1 release product. As a runner I find these headphones quite a competent set, providing solid sound to keep me entertained. However, would I ditch my Garmin for them? No way…not yet anyway. The real-time feedback is nowhere near what I need as a runner (admittedly one obsessed with stats), and if anything, it just gets in the way of my tunes. The coaching features are simplistic and will work if you’re building up to your first 5km. As a cyclist, I found the device connectivity to be troublesome (Power Meters in particular) and with limited troubleshooting I found it to be a frustrating experience.

So would these work in the context of being a Triathlete? Not really, partially as these don’t support swimming as of yet and the features don’t meet my needs for the individual component sport, particularly cycling.

But would I buy a pair? ..well Yes. If you’re in the market for headphones, the build and audio quality put these at the top end of the market, competing at an audio level way beyond the price point. The real interesting aspect is that the headphones are a solid platform for Kuaiwear to build on.  The proof will be in the pudding to see if Kuaiwear continues to invest in the platform and deliver on the promise.  Looking forward to seeing the swimming version in the near future and the improvements to the overall framework!

Trizone Review
  • Price
  • Features
  • Usability

Summary

A solid set of Sports Headphones with great future potential.

Pros:

  • Solid set of headphones
  • Great bass
  • High levels of potential

Cons:

  • Generation 1 product
  • Cycling support misses the mark
  • No swimming support (yet)
3.0
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3 Reasons Why You Should Look at The New Wahoo Kickr + Kickr Climb

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The new Wahoo Kickr Climb is the best way to get more out of your indoor training thanks to increased bike compatibility and integration with real-time gradient training. New developments make your indoor training more realistic than ever before to enhance your fitness and make the most of your indoor training.

1. Your front wheel is replaced with a carbon steel attachment that simulates real-world elevation

Why is this cool?

When you pedal on your trainer, your whole bike will tilt in real-time according to the elevation of your route. If you pair Zwift with your Wahoo KICKR, you can climb the virtual hills of Watopia (One of Zwift’s awesome areas) If you thought Watopia’s peak was tough before, with KICKR Climb you’ll be exhausted to a whole new level.

If you don’t have Zwift, no worries. If you’ve saved a route on your ELEMNT, KICKR Climb can adjust your route according to the gradient of that route.

Why it’ll make you faster

You’ll have to stand up and adjust to new angles. You can work harder than on any other indoor trainer and get more out of your indoor sessions.

Climb works with the KICKR (2017 model only) and KICKR Snap.

2. 12×148 Thru axle compatibility

Why is this cool?

Your favourite bike can plug right into your indoor bike trainer without an adapter

Why this will make you faster

You can practice the toughest climbs on the actual bike you’ll ride outdoors, so you’ll know exactly what to do on race day.

3. Improved disc brake clearance

Why this is cool

More bikes are using disc brakes, so it’s likely the next bike you use on the KICKR will have disc brakes.

Why this will make you faster

You’ll get real-world practice with bikes with disc brakes indoors and outdoors. Simple.

Training indoors is the reality for most triathletes throughout the seasons, for post-race recovery and as a vital part of any training regime. The new Wahoo KICKR is the perfect way to maximise your indoor training and get fitter than the athletes next to you on the start line.

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Danish Start-up Launches the World’s First Custom Fitted Swimming Goggles

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New Danish technology has paved the way for the world’s first custom fitted swimming goggles, making the swimwear comfortable and 100 percent waterproof. The product is being crowdfunded on Kickstarter until October 31st.

Have you ever experienced water leakage or discomfort with your swimming google? Problems with swimming goggles are well known among professional swimmers, triathletes and fitness enthusiasts. But soon it will all belong to the past.

The Danish start-up THEMAGIC5 has developed a new groundbreaking technology that can 3D outline your face directly through your smartphone on THEMAGIC5’s app. Based on the 3D animation, your swimming goggles are custom fitted to perfectly match the shape of your face.

“It has been our ambition to develop the world’s best swimming goggles – completely custom fitted for you,” says Rasmus Barfred, Co-Founder of THEMAGIC5.

The product is on sale through a crowdfunding campaign on Kickstarter until October 31st. THEMAGIC5 is targeting to sell around 1,000 goggles and raise 50.000 USD in capital.

Several World Championship swimmers have already begun using their custom fitted THEMAGIC5-goggles. Most recently at the World Cup in Budapest in July.

“We have the ambition to be the leader in the market globally. We have launched a product and technology that the world has never seen before. Therefore, of course, we are extremely pleased that our goggles have been well received by World Championship swimmers,” says Rasmus Barfred.

“Since I started using THEMAGIC5s swimming goggle I have not felt the urge to adjust my swimming goggles all the time. When you swim as much as I do, the irritation you get from your swimming goggle seems a part of the game. I am happy that this problem has finally been fixed so I can focus my attention on the joy of swimming,” says Marina Heller Hansen, Part of the Danish national team and participant at the 2017 FINA World Championships.

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CorSense​ ​HRV​ ​Monitor:​ ​Optimise​ ​Health​ ​and​ ​Fitness​ ​Without​ ​Wearables

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Elite HRV, creators of the popular heart rate variability (HRV) app and platform, has launched the CorSense via a global Kickstarter campaign.

CorSense is an HRV sensor that slips onto any size fingertip. With CorSense, in just two minutes/day, users can optimize nutrition, training, recovery, sleep and stress without the use of chest strap monitors or 24/7 wearables. HRV is a unique biomarker used by hundreds of thousands of coaches, athletes, clinicians, wellness seekers, and researchers. It is a comprehensive “check-engine light” for the body and mind that is also non-invasive and responsive. HRV is linked to biological aging, athletic performance, and risk of numerous chronic illnesses.

CorSense is a highly-accurate, easier, comfier, non-wearable alternative to chest-strap heart monitors, patches, ear-clips, fitness bands, and adhesives. Utilizing advanced sensor technology, CorSense slips onto a fingertip and automatically activates, senses the pulse waveform, syncs via Bluetooth, and transmits HRV data to any compatible HRV app.

“The number one request from our 130,000-plus users has been to make HRV tracking simpler and more comfortable without compromising accuracy. Based on this feedback, we designed CorSense from the ground up to precisely track HRV with no user intervention apart from slipping it onto their finger. CorSense does the rest.”

With CorSense and HRV, enhanced health, fitness and wellbeing takes just 2 minutes/day.

CorSense on the finger.

Using the new CorSense device along with the EliteHRV App.

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Do Your TrainingPeaks workouts in Zwift

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Are you a TrainingPeaks user and also love using Zwift on those days that aren’t great to be outdoors? Well, today marks a significant step forward for both companies as the integration just got a whole heap better for us.

Many of us are using TrainingPeaks because our coach uses it and they put the required workout information in there for us to complete (or not) plus it’s great for understanding certain key metrics.

From today, you can now do your TrainingPeaks Structured Training within Zwift without doing any fancy export/import or be recreating those sessions in Zwift – and hands up who has done that before? Just login to Zwift and make sure your account is linked to your TrainingPeaks account – you can check this on the connections page. If they are connected, disconnect and connect them again just to be safe. Next, make sure your workout has been saved via TrainingPeaks Structured Workout Builder.

Lastly, login to Zwift, select workouts, and find today’s workout under the TrainingPeaks dropdown. You’ll only see the workout for the current day, and it updates automatically each day.

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