3 speed on the left and 7 speed on the right， 21 speed in total.
Diameter of handle fixed orifice is 22.5mm.
The wire length is 2m.
The product dimension is about 5.5*5.5*7cm.
Applied for MTB， folding bicycle， road bicycle， RV and city bicycle.
Brand: TOMOUNT
Item NO: BS1003
Color: black
Material: plastic + aluminium alloy
Size: appr. 5.5*5.5*7cm
Wire length: 2m
Diameter of handle fixed orifice: 22.5mm
3 speed on the left and 7 speed on the right， 21 speed in total.
Left shifter * 1
Right shifter * 1
