The F-Series line from Crank Brothers features ultra-fine finishing and a slim frame to keep the tools light and compact

Titanium wings to reduce weight

No lost momentum

Superior chain retention and power transfer for fun riding over the rough stuff

the tools are made from industrial tool steel which has been tempered and hardened

Hope Pro 5 Rear Centrelock 12x148mm Disc Hub - Rear - 12x148mm Boost - Shimano Microspline - Centrelock - 28 Hole - J-Bend - Red NoAusPost The F-Series line from CrankBuilding 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