2x 18 And 21 Speed Mountain Bike Bicycle Transmission Split Dip

  One Pair Of 18 Speed 21 Speed Mountain Bike Bicycle Transmission Split Dip



Specifications:

Color: Black

Model: 18 speed,21speed

Material: Plastic + metal

Size: 5*9*2

Installation aperture: 22.2mm



Features:

Suitable for MTB / city car / recreational vehicle / road car / folding

Shift line is usually made of metal alloys softness.

Standard configuration is the product has own speed steel wire core, radio tubes

18-speed and 21-speed, left and right 6 3 18-speed, left and right 7 3 21-speed, left are fine-tuning

 

Package includes:

1 x a pair of bicycle transmission