CeramicSpeed OSPW Pulley Wheel Aero Alpha System for Shimano 9250/8150 - Coated Races, Aluminum Pulley, Carbon Cage, gloves 0 Valve Stem Pack Pressure

0 Valve Stem Pack Pressure Gauge UPC: 710845901171

Mudgaurds are an integrated flexible fender

Shimano factory grease applied to cables to keep them corrosion free and moving freely in the housing

Matchmaker and I-Spec EV compatible

7 Positive Spring Air Stroke (mm) 52

CeramicSpeed OSPW Pulley Wheel Aero Alpha System for Shimano 9250/8150 - Coated Races, Aluminum Pulley, Carbon Cage, gloves 0 Valve Stem Pack PressureThe CeramicSpeed OSPW Aero ALPHA system for Shimano 9250 8150 derailleurs updates the fastest proven aero derailleur cage to include CeramicSpeed's patent pending ADR bearing protection and quiet performing ALPHA disc with composite tooth profile pulleys. Furthermore, a speed defying pinstripe graphic has been added for a splash of visual motion. Injection Molded Carbon Fiber reinforced PA Aero cage reduces aerodynamic drag on the rear derailleur by