Universal Threaded Press-fit Bottom Bracket BSA 86/90/92mm 4-Ball Bearing Bottom Bracket for Mountain Bikes Road Bikes

Suitable for: Bottom bracket inner diameter 41mmPress-fit bottom brackets, commonly known as BB86, BB90, BB92Compatible with 30mm spindle cranksets, such as BB30/PF30/BB386/BB392.Installation Notes:1. This bottom bracket uses 4 ultra-light, ultra-thin bearings. When installing the crankset spindle, ensure it aligns perfectly with the bottom bracket's inner bore and passes through horizontally. Misalignment will cause a tight fit.2. Apply a high-flow lubricant to the bottom bracket spindle for easier installation, such as chain oil.3. The bottom bracket bearings are not fixed in place. During crankset installation, bearings may be pushed out. Simply press them back in; this will not affect performance.

• Suitable for: Bottom brackets with an inner diameter of 41mm. Press-fit bottom brackets, commonly referred to as BB86, BB90, or BB92.
• Compatible with 30mm spindle cranksets, such as BB30/PF30/BB386/BB392, etc.
• Installation Notes: 1. This bottom bracket uses 4 ultra-light, ultra-thin bearings. When installing the crankset spindle, ensure it aligns perfectly with the bottom bracket's inner bore and passes through horizontally. Misalignment will cause a tight fit.
• Installation Note: 2. Apply a high-flow lubricant to the bottom bracket spindle for easier installation, such as chain lube.
• Installation Note: 3. The bottom bracket bearings are not fixed in place. During crankset installation, the bearings may be pushed out. Simply press them back in; this will not affect performance.