Bike Bottom Bracket Light Weight Replacble Practical Cycling Component for Folding

The bike bottom bracket is made of aluminum alloy, which is and has a service life Equipped with higrecision sled brings to stdy rotation of the brings, which can well meet your needs The inner diameter of the bottom bracket is φ24mm/0.9in, suitable for s with a 687300CMm/2.72.9in bottom bracket Item Type: Bike Bottom Bracket Product Material: Aluminum Alloy

: BB91 Inner Diameter: Approx. φ24mm/0.9in Application: Bottom Bracket Approx. 68-7300CMm/2.7-2.9in