540g - 29"

Shimano I-spec-EV - 12 speed XTR M9100

Installation tools: This will require a 16 notch BB tool to remove/install

Ventilation - 14 wind tunnel vents draw cool air in and exhaust it out the back

Hope Pro 4 Rear 6 Bolt Disc Hub - 12x148mm Boost - 28 Hole - Shimano Microspline - Purple Back in Stock 540g - 29"The 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