GENERIC BC73 Taper Bicycle Bottom Brake - Phosphated Cups | Aluminium Sheath

For Bike Type: Mountain Bike, Road Racing Bike Great length for Fixie or Single Speed Bikes Cartridge Sealed Bearing with Aluminium sheath Cold-forged steel cups
Finish: Phosphated cups anodized sheath
Thread: BC1.37" x 24T English Thread Axle Borron Steel (Square)
Spindle Interface: square taper.
For bike type: mountain bike, road racing bike.
Package includes:1*Sealed bearing bottom bracket+2 waterproof screw