CeramicSpeed External 25mm Bottom Bracket Cups For Campagnolo Ultra-Torque

Available in either Italian or English thread and red or black cups, the CeramicSpeed External 25mm Bottom Bracket Cups For Campagnolo Ultra-Torque will reduce friction, and increase drivetrain stiffness for improved power transfer. Silicium Nitride Grade 3 balls (600% smoother, 129% harder 58% lighter). Hardened high-quality ABEC5 (the only material suitable for races). Low friction Polyamide cages, and low friction seals.