Rotor BB PF 4124 Bottom Bracket Cups BlackThe Press Fit 4124 will adapt perfectly to your frame that is compatible with a 41mm diameter Press Fit and BB 24mm spindle. Rotor BB Press Fit Bottom Bracket Cups 4124ROTOR created the UBB (Universal Bottom Bracket) system to try to overcome the challenge of compatibility between the cranks and the different bottom bracket standards that have emerged recently and that have become frustrating for many riders and mechanics.Rotor BB Press Fit 4124 Bottom Bracket Features:

• - Shaft diameter: 24 mm
• - Bearing material: Steel
• - Bottom Bracket Type: Press-Fit
• - Shaft type: Through
• - Aluminum 7075 CNC.
• - Compatible with all standard Shimano Press Fit (41mm) and 24mm axle frames (BB89, BB86, BB92).
• - Weight (manufacturer): 63 g.

REF: C04-013-01010-0