High Compatibility: Designed for seamless compatibility with a wide range of bikes, including , road bikes, and more. Fits PF92, BB86, BB90, and more. Construction: Crafted from premium materials, ensuring long-lasting performance and reliability under rigorous cycling conditions. Smooth Performance: Engineered to reduce friction and noise, providing a smoother and more efficient ride. Easy Installation: fit design allows for quick and hassle-free installation, making it ideal for both amateurs and professionals. Bearing:Steel bearing ?41mm OD Alloy Cups ?24mm x24mm through Axle One size fits 86mm-92mm Color: Black Material: Aluminum Alloy Package Contents: 1 x 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.