CeramicSpeed External 25mm Bottom Bracket Cups For Campagnolo Ultra Torque

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.