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Zwift Evolves

Last week Zwift added two new courses: a gamified loop of both urban and rural roads, and a London criterium loop. And, is Zwift running coming?

Bike for 6’3″ Riders

We have 3 Slowtwitchers who are all very similar in their Pad X/Y numbers (675mm/500mm), with Forum User Names: duckies, callin' and kcb203. Here are your bikes.

In-Depth with Firstbeat: Part 3

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

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.

A Bike for Ygritte

Are you 5'4" to 5'8"? Looking for a tri bike? Here are Slowtwitchers in that height range who have similar Pad XY measures. Here are some bikes they can ride.

In-Depth with Firstbeat: Part 1

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) analysis software offerings.

What is Pad Y/X?

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?

Bike Solutions for Aliens

There is hope for Aliens, and by these I mean the freaks of nature who contort into pretzels to ride long and low positions. Aliens, here are your tri bikes.

Real World Yaw Angles

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?

A Bike for Davos

A Pad Y/X of 630mm/505mm is a typical position for somebody between 6'0" and 6'3" who rides pretty steep, with a fair bit of armrest elevation drop from the saddle.