17TR Oversized pulley wheel System KACTUS

Product description

*17T large size guide wheel set system

*17T pulleys or16T pulleys

*Saves 60% chain friction resistance compared to 11T guide wheels”

*Ceramic bearing version saves more than 2.4 watts of average power compared to the original shifting system

*Full carbon fiber cage

*Full 7075 aluminum alloy CNC cutting lightweight guide wheel and shaft pin

*Color: black

*17TR is suitable for Shimano 6700/6770/6800/6870/9000/9070 Ultegra/DURA ACE

*Ceramic Bearing Version Stainless Steel Hybrid Bearing Version Steel Bearing Version

*Weight: 61.4g

*he ceramic Bearing version is 1.2 grams lighter than the steel Bearing version

*Shifting speed increased by 20%-26% for Shimano systems.

*Support up to 11-28 cassettes, compatible with 11-30 and 11-34 with the help of an RD extender.

This is the fastest RD pulley system.