URL https://www.interlocracing.com/shop/56020-ird-power-ratchet-thumb-shifter-set-3… Bike type Road Gravel Mountain Cyclocross Touring Part type Thumb Shifters Brand Interloc Racing Design (IRD) Speed 5 6 7 8 9 10 Models Shifter speed Shifter mount type Shifter side Listings 1-3x5-10 Clamp Pair $115.71