CeramicSpeed Pulley Wheels - OSPW | 13/19 Teeth - gold

Oversized spare derailleur pulleys for CeramicSpeed OSPW systems. Upper pulley wheel with 13 teeth (guide pulley) and lower pulley wheel with 19 teeth (tension pulley). Suitable for OSPW systems that feature derailleur pulleys with 13/19 teeth: OSPW for Campagnolo 11-/12-speed (Road) OSPW for Shimano 11-/12-speed (Road) OSPW X for Shimano GRX / Ultegra RX (Gravel) (listing not final) With the help of its unique design and ultra-low friction bearings, the Oversized Pulley Wheel System (OSPW) manages to optimize the overall efficiency of the drivetrain. Material: derailleur pulleys: aluminium ball bearings: ceramic bearing races: stainless steel (hardened) Scope of supply: 2 pulley wheels (tension and guide pulley)