What valves does it work on: It will work on both Presta and Schrader valves

Proven to be the insert of choice by Professional Racers

30t x 104 ring is the only Quarq power meter compatible 30t ring available

easy to use tool that will let you know if its time to change your chain

Made of High quality

Hope Pro 4 Rear 6 Bolt Disc Hub - 12x148mm Boost - 28 Hole - Shimano Microspline - Silver Out of Stock What valves does it workThe 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