PhaseEngage V3 17 Freehub | Shimano/SRAM HG Splined IC317 The world's fasted disc brake

The world's fasted disc brake wheels up to (and including) 50mm

A replacement disc and spring set for H_Ratchet DBL 40T freehubs

deeper shapes will provide greater aerodynamic benefits

SON realised that by using a smaller/lighter generator

A wheelset designed to offer control and speed for the fastest gravel rides

PhaseEngage V3 17 Freehub | Shimano/SRAM HG Splined IC317 The world's fasted disc brakeReplacement freehub for Engage 17 Rapid Boost hubs. For an expanded view of the freehub, which shows it's individual parts, please see the image gallery. Note: Not all parts of the freehub seen in the expanded view are available to purchase separately. Freehub bearings from left (hub side) to right (end cap side): 15267 2RS Bearing Stainless Steel 6803 2RS Bearing Stainless Steel 6803 2RS Bearing Stainless Steel Please note if you are changing from a