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Video: US cyclo-cross great Jeremy Powers enters disc brake debate - by stopping one with his hand

Turns out he's a fan of the rounded edges on SRAM's latest discs - but they do sponsor him, after all...

If you follow cyclo-cross,  you'll know that Jeremy Powers is something of a legend in the United States, where he has been national champion on four occasions and has won a host of races over the past decade.

Now, the 33-year-old has entered the disc brake debate, posting a video to Instagram in which he gives a thumbs-up to SRAM's rounded disc rotor edges, his thumb still attached to the rest of his hand after he manually stopped it the rotor from spinning.

We should point out that the Rapha Focus rider is also sponsored by SRAM, so there's perhaps a certain element of MRDA - Mandy Rice-Davies Applies - at work.

But while disc brakes are now common-place in cyclo-cross, their use in road racing, where the UCI reintroduced its trial at the start of this year, remains controversial, with riders calling for guards to be put in place.

Earlier this year, Lotto-Belisol pro Adam Hansen accused Specialized of trying to force the technology on the peloton - but the US firm's founder and CEO, Mike Sinyard, insists disc brakes are safe and that they will be ubiquitous in top-level racing within a couple of years.

> Specialized boss Mike Sinyard says in future, all road bikes will have disc brakes

It's not just in the pro ranks that disc brakes are the subject of concerns over safety, either - last month, we reported how reader Peter Curtis-Brown blamed one on a friend's bike for causing deep cuts to his leg when it brushed against him during a Sunday morning ride.

> Video: reader films moment he says his leg was cut by disc brake rotor


Simon has been news editor at since 2009, reporting on 10 editions and counting of pro cycling’s biggest races such as the Tour de France, stories on issues including infrastructure and campaigning, and interviewing some of the biggest names in cycling. A law and languages graduate, published translator and former retail analyst, his background has proved invaluable in reporting on issues as diverse as cycling-related court cases, anti-doping investigations, and the bike industry. He splits his time between London and Cambridge, and loves taking his miniature schnauzer Elodie on adventures in the basket of her Elephant Bike.

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