Clutch performance: Degenkolb's Domane with Ultegra RX

Clutch performance: Degenkolb's Domane with Ultegra RX

John Degenkolb, winner of the 2015 Paris-Roubaix, will be racing this year's edition of the Hell of the North aboard a Trek Domane equipped with a Shimano Ultegra RX805 clutch rear derailleur, among other modifications. Fat and happy: Paris-Roubaix pros' tubulars of choice Special edition Giant Defy for Teunissen at Paris-Roubaix Degenkolb's 2015 Roubaix-winning Giant Defy (a 2014 model) Degenkolb and other members of his Trek-Segafredo squad have been testing out the brand-new Shimano road clutch derailleur ahead of Paris-Roubaix. BikeRadar tailed the team on its Tour of Flanders recon ride to film Degenkolb trying out the Ultegra RX on his Domane. Trek-Segrafredo technical director Matt Shriver said he had been asking Shimano for a clutch rear derailleur for two years. Just like with Shimano's Shadow Plus clutch derailleur for mountain bike, the Ultegra RX is designed to reduce unwanted chain movement. For Shriver, there are two main benefits to ...

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