BOX Two Prime 9 Rear Shifter, Single Shift - Black Riser Bars GS4579 FW4556 891665

GS4579 FW4556 891665

121614-Q0-L

UPC: 639266097259

Manufacturer Part Number: 63448

UPC: 711484156908

BOX Two Prime 9 Rear Shifter, Single Shift - Black Riser Bars GS4579 FW4556 891665Prime 9 Technology for greater simplicity and durability Available in single shift option for eMTB to keep the user from shifting multiple gears under load significantly reducing the rate of bent teeth and broken chains Multi shift option changes up to 3 gears at once for no eMTBs Box One features: die cast top shell, machined clamp, dual action relase lever, die cast release lever, and a stainless braided lo friction cable Box Two features: die cast