CeramicSpeed OSPW System, Compatible with Shimano 10/11sp, Standard - Black BMX Cranksets Ample head & neck coverage

Ample head & neck coverage for cold weather conditions

- Designed for larger head tubes (0-Stack

UPC: DOES NOT APPLY

- Injection molded from Dupont Delrin thermoplastic

CeramicSpeed OSPW System, Compatible with Shimano 10/11sp, Standard - Black BMX Cranksets Ample head & neck coverageProven to be the fastest pulley system, chosen by many of the world's leading cycling teams and professional triathletes Optimized tooth designs offer 3 5 times longer life than standard OE pulleys Standard: low drag with hardened steel races and ceramic ball bearings Coated: metallic layer that covers bearing races making them 75% harder than steel. Even lower friction and highly resistant to corrosion 9100 9150 8000 SS 8050SS is not compatible with