Not been used and sold as seen so please check pictures and ask any questions if you need to 5 available This NOS Cotter Pin Bottom Bracket Axle is a vintage bicycle part designed for old school bikes. Made of steel this 145mm bottom bracket axle is compatible with various bike types. The set includes one bottom bracket axle and is a crucial component for maintaining the integrity and functionality of a classic bike. Perfect for cycling enthusiasts looking to restore or repair their vintage bicycle with authentic parts.