Tech Q&A | Campagnolo vs Shimano vs SRAM and more questions answered

Our technical editors answer your burning tech questions

Which electronic road groupset is best?

Our Media

Tom Marvin

Published: March 14, 2022 at 6:00 pm

In this Tech Q&A with Rob and Warren, we cover off drivetrain wear, brake cleaning and whether you should opt for fancy Campagnolo EPS electronics, or one of Shimano or SRAM's offerings.

We also look at the latest downcountry bikes from Revel and Transition, and ask what the point of 35mm bars is.

Male cyclist riding the Transition Spur X01 Carbon full suspension mountain bike through woodland
The Transition Spur is one of the 'radder' downcountry bikes around. - Steve Behr / Immediate Media

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Tom Marvin

Senior technical editor

Tom Marvin is a technical editor at BikeRadar.com and MBUK magazine. He has a particular focus on mountain bikes, but spends plenty of time on gravel bikes, too. Tom has written for BikeRadar, MBUK and Cycling Plus, and was previously technical editor of What Mountain Bike magazine. He is also a regular presenter on BikeRadar’s YouTube channel and the BikeRadar podcast. With more than twenty years of mountain biking experience, and nearly a decade of testing mountain and gravel bikes, Tom has ridden and tested thousands of bikes and products, from super-light XC race bikes through to the most powerful brakes on the market. Outside of testing bikes, Tom competes in a wide range of mountain bike races, from multi-day enduros through to 24-hour races in the depths of the Scottish winter – pushing bikes, components and his legs to their limits. He’s also worked out that shaving your legs saves 8 watts, while testing aerodynamics in a wind tunnel. When not riding he can be found at the climbing wall, in his garden or cooking up culinary delights.
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