Shimano Optislick Inner Shift Cable - 1.2 x 2100mm Rear Derailleurs the Big Betty's tread pattern

the Big Betty's tread pattern maximizes traction under braking and acceleration while the block design sheds debris efficiently to maintain grip through variable sections

a gear room

from Force to Red

and 700 x 50 widths in Black or Transparent Sidewall

and daily riding

Shimano Optislick Inner Shift Cable - 1.2 x 2100mm Rear Derailleurs the Big Betty's tread patternWhat is the Shimano Optislick inner shift cable for? The Shimano Optislick inner shift cable is a 1. 2mm x 2100mm stainless steel shift cable with Shimano's Optislick coating a polymer treatment that significantly reduces friction between the cable and housing compared to standard uncoated cables. Lower friction means lighter, more precise shifting action with less cable stretch over time, translating to more consistent indexing between service