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Articles by Greg Kopecky

Industry

Slowtwitch Mailbag – 1

 In our first edition of the revived Slowtwitch Mailbag, we answer several reader questions. We cover chipped paint on carbon frames, front disc wheels, and the debate over saddle bag contents.
Industry

Wheel Size Wars

 Everyone should ride 700c wheels. No, everyone should ride 650c. Is there a happy middle ground? What about mountain bikes? We tackle these questions, and propose a solution.
Industry

Power Meter 201

 We continue our series on power meters; this time hitting sophomore level 201. We do some detailed file analysis, and see if different head units affect your data.
News

Slowtwitch Mailbag is back

 The much-loved Slowtwitch Mailbag has come back in a new revised and expanded version. Submit your questions, and we’ll do our best to find the answers for you.
Industry

Power Meter 101

 We take a look at cycling power meters from a very basic approach. How do they work; what do they actually do? We slice and dice data transmission, power equations, and more.
Cycling

Sampson Cassette Review

 We review the steel cassette offerings from Colorado-based Sampson sports. They now offer a low-cost 11-speed option that is compatible with Dura Ace 9000.
Industry

View-Speed product review

 We review two products from View-Speed – the S4 skewers and CyclOps glasses. This small company is based in California and owned by a Slowtwitch forum member.
News

American Triple-T video

 Enjoy our recap video of the American Triple-T triathlon stage race. This event features four races of varied distance over a three-day period. Our Tech Editor attended with a Go Pro camera.
Cycling

Shimano TR60 & R170 shoes

 We review two 2013 cycling shoes from Shimano – the SH-TR60 tri shoe, and the SH-R170 road shoe. We also look at new Shimano cleats, including a second option in float.
Industry

Bell Javelin and Gage review

 We review two 2013 helmets from Bell, the Gage and Javelin. The Gage is a vented road helmet, and the Javelin is the latest aero helmet (and now CPSC-certified).
Industry

Hub How-To – Dura Ace 7900

 We take a detailed look at the full service procedure for Shimano Dura Ace 7900 hubs. While similar to older Shimano hubs, this generation brought on some unique features.
Cycling

ISM Attack Review

 We review the newest model from ISM, called the Attack. Some say it’s a road saddle. Some say it’s a triathlon saddle. Some say it doesn’t matter. We say…