Replacement driver for your Academy Pro Cassette hub. Will also fit 2012 Colony Endeavour, Inception, Descendant & The Living complete bikes. 9T One piece CrMo Driver Sealed bearing.
Full CNC Heat Treated 4140 CrMo Multi-Side Guard. Can be ran on either side of drivetrain. Anti-spin locator slot. Thin profile to reduce the need to spread your frame. Best to run on male axle hubs only, not suited for female style axle hubs. Weight: 81 grams (2.85oz)