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} CNC-machined 6061 aluminum collar
} Speed and capability in a variety of conditions from hardpack to mixed The new tread gives a directional siping texture
Weight: 38t • 66g | 40t • 74g | 42t • 81g
progressively ramping up under compression to eliminate rim strikes and snake bites when you over-send a line or catch a square edge
CeramicSpeed OSPW Pulley Wheel Aero System Shimano 9200/9250 8100/8150 - Coated Races Alloy Pulley Carbon Cage BLK MFPN=00.6818.064.011 } CNC-machined 6061 aluminum collarCeramicSpeed'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
