Trigger Shifter 1 Pair 22.2mm For SL-TX30-7 Mountain Bike Cycling Bicycle Accessories 6.7/21 Speed Transmission Split Dial
- Material:Alloy + . 7 adjustable gears for 21 speed bicycle. Durable, wear and tear resistance..
- You can adjust front 3 gear + rear 7 gear, namely 21 speed or other feasible combination..
- Aluminum alloy and iron cable materials products Including inner gear cable, no spool..
- Optical gear display, Efficiently make you ride the bicycle more comfortable..
- Can be applied for some ordinary bicycle, mountain bike, folding bicycle, road cycling, etc..