17mm Fulcrum Freehub body to fit Racing Zero, Racing 1, Racing 3 and all XLR wheels. This freehub body will also fit 2014 Racing 5 and 7 wheels.
Best Price: £79.00 from Merlin Cycles
Fulcrum Replacement Freehub Body – Shimano / 10-11 Speed / R0-113 HG Reviews