CeramicSpeed OSPW Pulley Wheel Aero System Shimano 9100/9150 8000 SS/8050 SS - Coated Races Alloy Pulley Carbon Cage BLK CheckoutTitle=The Shadow Conspiracy Super Slim V2 Elbow Pads - Black Diameter 24in Brand Sun Ringle

Diameter 24in Brand Sun Ringle Model M-13 II ISO 520 ID Width 13 Width OD 20 Profile 14

Nylon composite shell and TiNox SL rails

Mushroom design for comfort

R22 features a new tooth profile to work with all major drivetrain types along with updated spider designs

CeramicSpeed OSPW Pulley Wheel Aero System Shimano 9100/9150 8000 SS/8050 SS - Coated Races Alloy Pulley Carbon Cage BLK CheckoutTitle=The Shadow Conspiracy Super Slim V2 Elbow Pads - Black Diameter 24in Brand Sun RingleCeramicSpeed'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