Spank Hex Straightpull Boost Rear MTB HubThis rear MTB hub features a robust alloy body and axle construction, which makes it ideal at handling all the aggressiveness that’s associated with all-day epics in the mountains. Spank has also put this trail-ready hub through a CNC-machining process, so can you benefit from its fantastic strength without adding any unnecessary weight to your mountain bike. – 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 Engagement: HEX DRIVE 102T / 3.5 degrees / 6 Pawl Hole Count: 28H Straightpull Disc Mount: 6-bolt Configuration: Boost 12x148mm, Straightpull Adaptors Included: None Adaptors Available Separately: Boost QRx141 Weight: 306g (HG); 301g (XD)Buy Spank Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.