BBB cartridge bottom bracket BBO-53 BottomSquare
Forged spindle for JIS square taper.
Double-sealed system.
Cold-forged aluminium cups.
Hollow CrMo axle.
BSA thread: 1.37" x 24 TPI.
BBO-53: spindle length: 118 mm.
Bottom bracket shell width 68 mm.
| model year: | nespecifikován |















































































































































































































































































































































































































































































