What systems: Osprey Hydraulics reservoirs are made by Hydrapak so these bite valves will suit any brand of reservoir based on the Hydrapak system

If you are the kind of rider that obsesses over tiny percentile efficiency losses/gains

2mm and weighs 306grams

44mm: Fits most standard rims

X01 Eagle AXS

Hope Pro 4 Trial - Single Speed Rear 6 Bolt Disc Hub - 10x135mm Bolt-Up - 32 Hole - Single Speed - Blue Dangerous Goods What systems: Osprey Hydraulics reservoirsThe 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