Same durability as the standard Hope Pro 4 rear hub designed to suit 150mm Boost DH frames. Choose from SRAM XD 11/12 speed, Shimano Microspline 12 speed or Shimano HG 9/10/11 speed, or Hope's own cassette compatible freehub bodies. 4 Pawl Ratchet with 44 tooth engagement (8.2 deg) Sealed Stainless Steel cartridge bearings Machined from forged 2014 T6 aluminium billet Standard 6 bolt disc fitting Larger spoke flange to enable stiffer wheel builds Unsurpassed reliability Designed specifically to suit 150mm frames Available in 32 and 36 hole drillings Weight 322g with 32 hole drilling & Shimano 11spd freehub body.