The race grooves are also deeper on these bearings to provide increased lateral support to counteract the twisting and multi-directional forces associated with mountain bike pivots

More pistons equal greater stopping power

Don't be fooled by its appearance

providing a comfortable

Required for your Race Face 30mm Cinch cranks

Hope Pro 4 Rear 6 Bolt Disc Hub - 12x148mm Boost - 32 Hole - XD Driver - Black Images Uploaded - Ready for Review The race grooves are alsoThe Pro 4 is an incredibly versatile and easily serviceable hub that builds upon Hope's reputation for bulletproof quality and attention to detail. The hubs are machined from a single billet of 2014 T6 aluminium and run on stainless steel sealed cartridge bearings for smooth running and outstanding reliability. The 4 pawl ratchet system has 44 teeth with solid and reliable 8. 2 deg engagement with that unmistakable Hope sound. The Pro 4 spoke flange