High-Quality Construction: Crafted for durability and long-lasting performance, our mountain bike bottom bracket is designed to withstand the toughest riding conditions. Ideal for both amateur and professional cyclists. Versatile Fit: 113mm, ensuring a for bike frames and types. Easy installation with standard tools. Enhanced Riding Experience: The square-taper design provides a secure fit and optimal power transfer, enhancing your bike's efficiency and your overall riding experience. Color: As Shown Material: aluminum alloy Package Contents: 1 x Mountain Bike Bottom Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.