Syncros Capital SL,Disc TT Wheel RearAVAILABLE TO PRE ORDER SYNCROS CAPITAL SL, DISC WHEEL REAR Designed for World Tour racing and aerodynamically optimized by CFD and wind tunnel testing, the all new Capital SL Disc is one of the lightest disc wheels on the market, at just 970g . Model : 421880 Range of useRoadTriathlonTT MaterialCarbon RimCarbon fiber, Hookless, 23mm internal width Rear HubSyncros custom, 142mm, 12 TA, CL, SHIMANO + XDR AccessoriesSingle wheelbagTubeless valve 50mm