A good quality Shimano bottom bracket. Accurate bearings for smooth operation with improved durability. Durable sealed cartridge bottom bracket with square tapered axle. Sealed cartridge bearing assembly keeps out mud, dirt and water. Better chainline stability with chain line stabilizer.
Axle Lengths (OPTIONAL): 110mm, 118mm, 122.5mm
Casing Width: 73 mm
Casing Standard: BSA
Durable steel axle
Square Taper Spindle