CeramicSpeed OSPW Pulley Wheel Aero System Shimano 9100/9150 8000 SS/8050 SS - Coated Races Alloy Pulley Carbon Cage BLK Model=Force AXS eTap HRD Shifter/Brake Lever and Caliper D2 With the sealed pivot mechanism

With the sealed pivot mechanism rubber seals and a stainless steel bushing keep the brake arms turning smoothly no matter what you're riding through

Five rows of equally spaced square knobs sandwiched between double rows of continuous ridges provide an extremely smooth rolling tire with unmatched grip

Up to 25% weight reduction (130 grams) from original ShockStop Endurance Seatpost and ultra-sleek styling

5-75MM) 525 LB

Piston® e-bike ramp compatible

CeramicSpeed OSPW Pulley Wheel Aero System Shimano 9100/9150 8000 SS/8050 SS - Coated Races Alloy Pulley Carbon Cage BLK Model=Force AXS eTap HRD Shifter/Brake Lever and Caliper D2 With the sealed pivot mechanismCeramicSpeed's OSPW Aero system has been developed in close collaboration with one of the world's leading aerodynamicists. The development process behind the OSPW Aero spanned over two years where extensive wind tunnel testing influenced multiple design iterations. The end result is an entirely new cage structure wrapped around our existing mechanically optimized design. Locally reduces drag by an average of 40% compared to stock derailleurs Developed