Hope pro 4 fatsno mtb rear hubhope hubs have proven their reputation for bulletproof quality time and time again the hope pro 4 fatsno mtb rear hub brings hopes proven hub design to fatbikes features4 pawl ratchet with 44 tooth engagement 8 2sealed stainless steel cartridge bearingslarger spoke flange to enable stiffer wheel buildshub shell machined from forged aluminium billetavailable to suit most axle sizes and disc spacingstandard 6 bolt disc fittingunsurpassed reliabilityweight 367gb