Spank Hex J-Type Rear MTB HubThis rear MTB hub features a tough alloy construction, which allows it to handle all the intensity that’s associated with extreme mountain bike trail-riding. Spank has also kitted this version with a matte anodised finish, which gives it an extra layer of corrosion resistance. This means that you won’t have to worry about the elements damaging your gear when the riding conditions get wet. – SPANK’s HEX DRIVE 102T technology delivers 3.5° engagement, for almost instant pickup. – 6 independent pawls with 3 steps per pawl, work in unison, meaning 18 engagement points per click.- Bite-Block Alloy HG and XD Freehub bodies resist damage from cassettes without the weight penalty of steel. – Unique flange design reduces dish requirement and minimizes tension range between drive side and non-drive side spokes. – Advanced seal system improves prevention of bearing/drive system contamination. Features: Material: CNC optimised forged alloy hub body, alloy axle, alloy freehub body Finish: Matte anodised, laser logos Use: MTB Disc Mount: 6-bolt Hole Count: 32H J-Hook Engagement: HEX DRIVE 102T / 3.5 degrees / 6 PawlConfiguration: 12x142mm, J-hookAdaptors Included: 12X135Adaptors Available Separately: QRX135, 10X135Weight: 314g (HG); 309g (XD)Buy Spank Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.