Material:Alloy + Plastic Durable,wear and tear resistance and 7 adjustable gears for 21 speed bicycle.
Aluminum alloy and iron cable materials products Including inner gear cable,no spool.
Efficiently make you ride the bicycle more comfortable.
One has 1-7 numbers for you to choose gear,other is spin button without number You can adjust front 3 gear + rear 7 gear,namely 21 speed or other feasible combination.
Can be applied for some ordinary bicycle,mountain bike,folding bicycle,road cycling,etc.
Imported from USA.
2 x Bike Trigger Shifter
Material:Alloy + Plastic
Color:Black(As shown in the picture)
Fit handlebar: 22.2 mm
Cable length: about 165 cm-205 cm
Model: TX 30
InKach Bike Trigger Shifter, 2 Pcs Mountain Bicycle SL-TX30-7R Trigger Shifter 7 Gears 21 Speed Bike Cycling