Hope Pro 4 Fatbike Hope Pro 4 Fatbike Hubs Fatbike Pro 4 Fatsno Front hub Tech Specs Pro 4 Fatsno Front hub Sealed Stainless Steel cartridge bearings throughout Machined from forged 2014 T6 aluminium billet Available in 32 hole drillings Conversions available for QR and 15mm axles Standard 6 bolt disc mount 135, 142 and 150mm axle length Colour Black, Silver, Red, Blue, Purple and Orange Weight: 255g Pro 4 Fatsno Rear hub Specific hub shells to suit 170/177 and 190/197mm Aluminium or steel freehub body options Available in 32 hole drillings Supplied with freehubs to suit 10/11spd Shimano or Sram XD cassette Colour: Black, Silver, Red, Blue, Purple and Orange Weight: 170mm – 367g