The rear Hope Pro II Hub includes a further development of Hope’s proven ratchet mechanism. It features a 7075 aluminium rotor body screwed onto a titanium pawl carrier. These pawls engage into a 24 tooth ratchet which is fixed into the hub shell and are sealed with a frictionless,non contact labyrinth seal. All the rear hubs except the XL version can be converted from QR to 12 MM thru-axle and vice versa in minutes. Available with International Standard 6 bolt disc holes, the rear Hope Pro2 weighs approximately 298 grams (XL version weighs slightly more), and comes with a Shimano 8/9 speed compatible cassette body. Available in six Hope colors, QR, 12x135 MM, and the XL Version - 12x150 MM (XL - for wider DH frames), 10 MM Bolt On (Bolt Axle Included) or 10 MM Shimano Saint compatible hubs (Saint Axle NOT Included), and in 28, 32, or 36 holes. Note: 28 H will delay shipment time by up to 2 weeks.