Burgtec Replacement Rear Axles. Features: Clean and simple is always best. Leverless design for added security and clearance for when situations get tight These super tough axles tighten up with a 6mm Allen key. They feature 'a get out of jail' 6mm Allen key on the drive side of the axle if you manage to round the non-drive side Constructed from 7075 aluminum and made to manufacturer's exact specifications Fits: Many Niner, Stanton, Nukeproof, Cannondale, Commencal, Forbidden, Airdrop, and others Specs: Description:180mm x 12mm 1.75mm Color:burgtec black