Tripeak Oversize Pulley Kit 12/18T, Ceramic Bearing Shimano Ultegra/105, 11-Speed - Gold Cratoni As a J-Kit this brake

As a J-Kit this brake is delivered in a way that you can easily mount it

Clamp size - 24mm

and bikes have become super sophisticated machines

Women's Specific Frame

Tripeak Oversize Pulley Kit 12/18T, Ceramic Bearing Shimano Ultegra/105, 11-Speed - Gold Cratoni As a J-Kit this brakeProduct Description Tripeak Oversize Pulley Wheel Kit 12 18T, Ceramic Bearing (Shimano Ultegra 105, 11 Speed) Gold Specifications: Replacement Oversize Pulley Wheel Set 12 18T (Vs 11 11T in existing cage) Oversize ceramic bearings for a longer lifespan For use in default existing derailleur cage of Shimano no need to change chain length Molded composite material for superior durability than metal ones Patented stopper pin for easy installation