3 pieces BMX bottom bracket

3-Piece BMX bottom bracket – 21.8 mm ID annular bearings

This 3-piece BMX bottom bracket is designed for mounting a BMX crankset equipped with a compatible axle for 21.8 mm inner diameter bearings.

The bottom bracket features annular bearings and smooth cups with a 51.5 mm outer diameter. The crank arm fixing bolts are included, providing the necessary hardware for crankset installation.

This bottom bracket is supplied brand new and without packaging. It is suitable for replacing a worn bottom bracket or for installing a compatible 3-piece BMX crankset.

Features

• Type: 3-piece BMX bottom bracket

• Bearing inner diameter: 21.8 mm

• Smooth cup outer diameter: 51.5 mm

• Bearings: Annular bearings

• Crank arm fixing bolts: Included

• Condition: Brand new

• Packaging: Unpackaged

Compatibility

Before ordering, please check the dimensions of your existing bottom bracket and crank axle to ensure compatibility, particularly the 21.8 mm bearing inner diameter and 51.5 mm cup outer diameter.