We'd recommend a minimum 19mm rim width (21mm would be the sweet spot)

Striking the perfect balance between fit and function

Featuring the same minimalist

CRV (crash Release Visor) system allows visor to release on impact to help reduce rotational forces

Even when not adjusted properly

Hope Pro 4 Trial - Single Speed Rear 6 Bolt Disc Hub - 10x135mm Bolt-Up - 32 Hole - Single Speed - Orange Heavy/Bulky We'd recommend a minimum 19mmThe 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