Hope Pro 4 Rear 6 Bolt Disc Hub - 12x157mm Superboost - 32 Hole - XD Driver - Black Replace Images Cassette compatibility: This chain whip

Cassette compatibility: This chain whip will work on 5-speed freewheels all the way to 12-speed mega cassettes

Flat edges for use with 24 mm spanners

10-speed only

Body: Dri-Release 85% polyester and 15% cotton (recycled)

Hope Pro 4 Rear 6 Bolt Disc Hub - 12x157mm Superboost - 32 Hole - XD Driver - Black Replace Images Cassette compatibility: This chain whipThe 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