Thumb Shifter Options:Thumb Shifter Set, 9-Speed, Double/Triple, Shimano Compatible, Silver GENIE reduces the frequency and

GENIE reduces the frequency and severity of bottom-outs

our engineers tested various iterations

Slightly higher shoulder knobs also allow for confident cornering at high speed

with the exception of Shimano 12-speed chains

on-ride diagnostics

Thumb Shifter Options:Thumb Shifter Set, 9-Speed, Double/Triple, Shimano Compatible, Silver GENIE reduces the frequency andImagination is the only limitation to how much the microSHIFT thumbies can do. Their small minimalistic designs are packed with precision machined mechanism that allows you to shift accurately with either index or friction mode. Go on any adventure without worries for mechanical issues. Indexed or friction mode convertible rear shifter Indexed mode is compatible with Shimano 10 speed road systems