Campagnolo record ho 11sp rear derailleurthe record ho rear mech provides an unrivalled competitive charge thanks to the dominant presence of carbon fibre and a revised cage design, which holds the chain closer to the cassette'. '.strtoupper('i')t has been finely tuned down to the smallest detail to obtain the maximum effectiveness'. '.strtoupper('t')he recordtrade rear derailleur ensures speed and precision in every situation.disc brake frame specificthis ho hydraulically optimised version is specifically designed for use on disc brake frames that feature the wider 12x142mm rear dropout spacing'. '.strtoupper('i')t features an adapted mounting link for easier thru axle removal and larger teeth on the upper pulley for precise shifting at more extreme chainlines.featurestitanium hangercomposite outer cagealloy carbon cagerollers on bushingsrollers in special rubberforged aluminium bodiesspeed 11 speedbuy campagnolo components from chain reaction cycles, the world's largest online bike store.