ceramicspeed-ospw-x-oversized-pulley-wheel-system-for-shimano-rx800-805-coated-bearings-alloy-pulley-carbon-cage-silver
ceramicspeed-ospw-x-oversized-pulley-wheel-system-for-shimano-rx800-805-coated-bearings-alloy-pulley-carbon-cage-silver, The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.Features a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimization of the rear derailleurRobust cage is custom molded from carbon fiber for durability and light weightThe 4 tension spring settings allow for optimal drivetrain setup based on riding conditionsOSPW X is specifically designed for road, gravel, and cross ridingThis OSPW system reduces friction 35-40% over stock pulley configurationFits 11-36 tooth cassette range