• Floating pulley and spring adjust for perfect chain tension

• Lightweight and easy to install, made of high-grade aluminum alloy material, durable in use

• Exquisite workmanship, full CNC precision machining, anode color, bearing shaft, can be used with a variety of guide wheels, the guide wheel is generally 11 teeth, can also use 13 teeth

• Stable chain, exquisite workmanship, lightweight, easy to install, high-quality materials, durable, bicycle accessories

• This chain adjuster can change multi-speed bikes into single-speed bikes, ensures perfect tension for your chain to make you pedal with less effort

Specifications: 

• Material: Aluminum alloy 

• Size: 115 x 50 x 40mm 

Note: 

1. There might be little error of size for manual measurement. 

2. The colors deviation might differ due to different monitor settings, please kindly understand.