HZ636 OSPW KACTUS CERIC 17TR WHEEL SYSTEM FOR R9 R6800

Warna : Hitam, Merah 931473/15951242708 SIZE 17T/16T 17TR large size guide wheel set system 17T s or 16T s Sav 60% chain friction ristance compared to 11T guide whee Ceric bearing version sav more than 2.4 s of average power compared to the orl ing system Full fiber cage Full 7075 aminum alloycutting lhtweht guide wheel a shaft pin 17TR is suable for 6700/6770/6800/6870/9/9070 Ultegra/DURA *Ceric Bearing Version Stain Sl Hyd Bearing Version Sl Bearing Version *Weht: 61.4g *he ceric Bearing version is 1.2 grs lr than the sl Bearing version *ied by 20%-26% for systems. *Support up to 11-28 cassett, compatible wh 11-30 a 11-34 wh the help of an RD e. This is the fastt RD system.