Hope Pro 4 MTB Rear Hub - 10mm Bolt Up AxleHope hubs have proven their reputation for bulletproof quality time and time again, that’s why Hope Pro 4 MTB Rear Hubs are the benchmark for disc brake compatible rear hubs.Features:4 Pawl Ratchet with 44 tooth engagement (8.2°)Sealed stainless steel cartridge bearingsMachined from forged 2014 T6 aluminium billetStandard 6 bolt disc fittingLarger spoke flange to enable stiffer wheel buildsUnsurpassed reliabilityBuy Hope Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.