18TSRX Oversized pulley wheel System KACTUS

12/18T Oversized pulley system

Save up to 45% friction resistance, compare to 11T pulley

Ceramic bearing version saves more than 2.2 watt power on average, compare to original transmission

shifting speed increased by 20%-26%

Color: Black

Full carbon fiber cage

Full 7075 aluminum alloy CNC lightweight pulley

18TSRX suitable for SRAM X1 XX1 GX NX Ceramic bearing

Ceramic bearing version hybrid ceramic bearing version NSK steel bearing version

Weight: 59g

Ceramic bearing version weighs 1.2g less.