The central knob structure increases the cushioning and the associated comfort

Who's this item for: The home mechanic who wants to install his own headset cups and bearings on a EC or ZS style frame

E-sync hub durability is found in the pawl design that reduces stress on freehub and bearings

Sram's all-new HS2 Rotor is a mountain bike specific rotor designed to improve brake performance while reducing noise and increasing heat dissipation

due to the solid pins

Hope Pro 5 Rear Centrelock 12x148mm Disc Hub - Rear - 12x148mm Boost - XD Driver - Centrelock - 28 Hole - J-Bend - Black Gift Card The central knob structure increasesBuilding on Hopes 30+ years of manufacturing hubs, the Pro 5 is the combination of all their experience into a product to meet and exceed the demands of current and future bike technology. Features: Improved sealing to stop dirt ingress and to reduce drag New Labyrinth seal has zero drag for incredible freewheeling performance New Pawls Springs design to increase longevity, load capacity & a reduction of drag Increased engagement from 44 to 108 with a