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Cema Ceramic Bearing Bottom Bracket
Model: Threaded BSA Series
Width: 68/73
Compatible: Shimano
Color: Red / Black

✔️24mm Bearing IF design to transfer pedalling power directly
✔️Excellent Tolerance control by CNC
✔️Compatible with 68mm (Road) / 73mm (MTB) frame width
✔️Ceramic Bearing with G5 Grade Si3N4 Ceramic

Cema Ceramic Bearing Bottom Bracket
Model: Press Fit Interlock
Compatible: Shimano
Type: BB86 lock in
Width:92mm

✔️Interlock design to reduce noise & provide excellent rigidity
✔️Active seals easy to maintain bearing & add grease
✔️Double O-ring design to prevent water enter to frame & as buffer for frame and bb