Small-wheel Bikes: Let’s Get Down To It
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Riders shorter than 5'5" who have experience riding both wheel sizes are twice as likely to prefer road or tri bike wheels made 650c wheels.
Use of the Altium i10 for Intermittent Hypoxic Training
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Long-time altitude resident and Slowtwitch Winter Sports Editor Jon Schafer and I put the Altium i10 through its paces to see what we could - and could not - learn about the promises it makes about ...
The Plasma Gets a Prescriber
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A great, Kona-winning tri bike not as popular with consumers as with pros. Why? The lack of a pathway to purchase? That objection is now gone.
1x Best Practices
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SRAM repurposed a pair of shelved technologies, brilliantly displayed their relevancy, and transformed the landscape of cycling. Here's how best to use this tech.
Bragi Dash: How Much Can a Pair of Headphones Do?
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Bragi's Dash occupies an interesting niche in the market. It takes a whole bunch of things people use - activity tracker, music player, Bluetooth headset - and wraps them all together in a totally ...
1x Set-Ups: Volume 2
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More single-ringers! Look inside for some real muscle bikes. Some of the owners of the bikes herein don’t ascribe to the use of the X-SYNC rings.
1x Set-Ups: Volume 1
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Here is the first of several photo galleries of Slowtwitchers who’ve eschewed polyringamy for the monoring.
Yaw Angles in Cycling: Part 2
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Gusts increase the yaw seen by a rider, making it important to understand the transient effect of winds.
Friction Wars on the Horizon?
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Two years ago drivetrain friction was on low burn. All of a sudden it’s a hot topic.
Let's Talk About Power
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Join us to discuss the benefits of training and racing with power in triathlon. Hosted by Slowtwitch contributor Eric Lagerstrom.
A Better, Cheaper Race-Ready Chain?
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A faster, smoother chain, that will last twice as long, will hand watts back to its owner, and cost very little more than a stock chain? Perhaps so.
The Shrug, and Other Free Speed
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Buying bike speed eventually gets pricey. What speed is available without spending any money or getting any fitter?
Garmin Varia Radar: Garmin Varia Suite Part 2
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Garmin's Varia Radar offers clearly and effectively presented information about vehicles behind you. The taillight aspect of the system, however, falls well short of being bright enough, especially ...
LG Gennix and Steering Torque
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It's one example of steering torque considered when designing a bike; and what Lionel Sanders says about his bike's handling.
The Strava Kona numbers of Patrick Lange
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German Patrick Lange finished 3rd in Kona with a course record breaking 2:39:45 run. Here now are his Strava numbers from that memorable day.
Disc and Rim Brake Aero Drag
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Are disc brake bikes less aero? Here are wind tunnel results. (You might be surprised.)
HED and the P5X
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How and where the Cervelo P5X frame came to be made is as compelling a story as the bike itself.
Argon's Smart Bike
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Here you go, what you've been waiting for: a Siri experience with your bike.
HIA Velo: The Future?
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Systems and channels, not products, are what have animated me lately. Will HIA Velo be a success? It’s not what it is, but what it could be.
In-Depth with Firstbeat: Part 3
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The last installment in our 3 part super-in-depth review of the Firstbeat system by Jon "Fast Big Dog Schafer". Part 3 covers weaknesses of the system and wraps it all up with some key takeaways.
In-Depth with Firstbeat: Part 2
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Part 2 of a 3 part super-in-depth review of the Firstbeat system by Jon "Fast Big Dog Schafer". Part 2 covers how to use the system, with a specific focus on use by Masters athletes.
In-Depth with Firstbeat: Part 1
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Part 1 of a 3 part super-in-depth review of the Firstbeat system by Jon "Fast Big Dog Schafer". Part 1 introduces the Firstbeat system, part of a growing array of heart-rate variability (HRV ...
Bike Position: Pro Men Conform
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Everybody is different, right? Yes, in a micro sense. But in the macro world it's truer to say everybody is the same, and the pros demonstrate this.
What is Pad Y/X?
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Everybody’s talking about Pad X and Y, or Pad Stack and Reach, in regard to bike fit and selection. What is it? How do you measure it? How is it used?
Real World Yaw Angles
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We routinely see wind tunnel data through a "sweep," that is, from a positive to negative yaw. But what yaws do we actually see in the real world of racing?