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40 Tire Diameter/ISO 20/406 e-Bike approved No
2mm Crimson Red
Color Fuel Colorway
bncs-hero p
CeramicSpeed OSPW Pulley Wheel Aero System Shimano 9200/9250 8100/8150 - Coated Races Alloy Pulley Carbon Cage BLK CheckoutSpec= PressFit 121/124mm > 40 Tire Diameter/ISO 20/406 e-BikeCeramicSpeed'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
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