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Bright helmets from Giro

We review two 2014 helmets from Giro, the Aeon and Air Attack Shield. Both are available in super bright Highlight Yellow for increased visibility.

Slowtwitch Mailbag – 8

Our Mailbag covers two new questions. First, how does GPS work? Next, how many calories or carbohydrates should you take in during an Ironman or 70.3? For more, read on.

CycleOps SuperMagneto Pro

This is our long-term review of the top magnetic trainer from CycleOps, the SuperMagneto Pro. With four settings and progressive resistance, it aims for road-like feel and quiet operation.

Definition of Fast

We clear up some common misconceptions about what the word ‘fast’ means in terms of your wheels and tires. Does it mean aero? Does it mean light? Let’s talk details.

Road wheel basics

We take a bird's eye look at the anatomy of road and triathlon wheels. What are all of the different parts? What should you look for when making a purchase? For more, read on.

Slowtwitch Mailbag – 7

This edition of the Mailbag covers two questions. First, why does my GPS show a different distance than the published race course? Next, how much speed can I gain from a new bike?

Hub Service 2.0

We cover in-depth service on rear hubs with shouldered axles, such as Renn discs and FLO Cycling. While not the easiest service, it can be done with the right tools and some time.

Mavic hub How-To

We show you the standard service procedure for common 2013 Mavic rear hubs. It applies to wheels like the CXR series, R-Sys, Ksyrium, Cosmic Carbone, and Comete disc.

Giustaforza Torque Wrenches

We review the line of torque wrenches from Italy-based Effetto Mariposa. This company is known for their Caffelatex sealant, but also makes some very nice tools.

The power of Sam Gyde

Belgian age grouper Sam Gyde won the M35-39 category in 8:45 with a super fast 4:29:47 age split and 24th place overall. Here is a look at his power numbers.

Fit Bike Recap

Which among the 5 fit bikes reviewed is the best? Which is the best for the money? And why should consumers care at all?