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No System No Sale

A superbike complete bike solver can be built in half a day. Here’s the first one I built, and how I built it. Why don’t all superbike makers have one?

HED’s Toroidal 2.0 Patent

HED’s new patent claims both a product (rim) and a math problem: a relationship between rim and tire. The patent, announced today, has market implications.

The Joker of Kevin Grogan

Kevin Grogan of Gear for Multisport in Clermont likes bikes and he recently built up a Zipp 2001 and made this early aero frame fit his personal taste and humor.

Fast After 50

Joe Friel parses a longitudinal study to determine which types of training yield the best performances for aging athletes. The prescriptions are not what you might have guessed.

Roka R1 Goggle

Roka calls its angled lens feature Rapidsight. It is visibility without bulk, and without a raised profile that catches water. Yes the R1 is a goggle, but it’s also a technical platform.

Pioneer drops price

The company that has a cult following, largely because of the advanced metrics it produces, has just dropped the price of its 1- and 2-leg power meters.

A day in the life of Valencell

It is likely that you never heard the name Valencell before, even though you may even have had it in your ear or on your arm. Here now is your chance to learn more.

iBikeThief

There are two technologies that bring an inexpensive, lightweight, long-battery-life, hideable anti-theft bike device within reach.

Electronics Ecosystems

Imagine your cardiologist noting, from 3 months of your WKO files, that atrial fibrillation tracks with moments when you’re dehydrated or when you’re training too hard.

$72,124

Wrapping up the 7th annual Rappstar Charity Challenge for World Bicycle Relief. In 2015, we raised $72,124, enough to put 491 bicycles into the field. Thank you to everyone who supported another incredible year. In seven years, we’ve raised over $450,000.