HOPE Pro 4 Boost 148mm Rear Hub Size:SHIMANO HG STEEL Designed to fit both standard

Designed to fit both standard and oversize

making it easy to wheel through crowded areas

The virtual shifting technology of the KICKR BIKE is programmable to match the exact gear ratios

Designed to fit X0 Trail callipers metallic pads deliver more brake power and wear less in comparison to organic pads and will help give you the control over your downhill runs that you've been wanting

Women's Specific Fit

HOPE Pro 4 Boost 148mm Rear Hub Size:SHIMANO HG STEEL Designed to fit both standardKey Features 10, 11 and 12 speed compatible Sealed Stainless Steel cartridge bearings Hub shell machined from a single forged aluminium billet Standard 6 bolt disc fitting 4 Pawl ratchet system with 44 tooth engagement (8. 2 deg) Larger spoke flange to enable stiffer wheel builds Unsurpassed reliability Available in 148 x 12mm thru axle Pro 4 Boost 148mm rear hub Tech Specs > Now available with Shimano MicroSpline freehub body Specifically designed