Spank Hex Gravel Rear MTB HubThis rear hub is designed for both MTB and gravel riding, as it allows you to enjoy its consistent performance as you ride across mixed terrain conditions. It features a hard-wearing alloy construction, which makes it perfect at withstanding all the abuse that comes with blasting across the mountain at speed. Spank has also put this version through a CNC-machining process, which shaves off any unnecessary weight. – 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 ”Bite Block” freehub body Finish: Matte anodized, laser logos Use: MTB, Gravel Engagement: HEX DRIVE 102T / 3.5 degrees / 6 Pawl Hole Count: 28H J-Hook Disc Mount: 6-bolt Configuration: 12x142mm, J-Hook Adaptors Included: QRX135 Adaptors Available Separately: 12X135, 10X135 Weight: 314g (HGR); 309g (XDR)Buy Spank Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.