Hope Pro 4 Micro Spline Boost Rear Hub, Black | Bikeinn
Hope Pro 4 Rear Hub - 12 x 148mm, 6-Bolt, Micro Spline, Black, 28H | | Worldwide Cyclery
Hope Pro 4 Front Hub - 15x110mm Boost, 6-Bolt, Black. High-performing and reliable hub with stainless steel bearings and Torque Cap compatibility. – Alaska Bicycle Center