Feature(may vary by option.)

●Single speed adjuster: the spring adjustment ensures a perfect chain tension that converts multi-speed bicycles into floating single speed pulleys. The spring design can adapt to different gear sizes and prevent the chain from slipping out of the crank.
●Easy to use: the chain wheel guide is lightweight and small, easy to install and use. After installation, it can prevent the chain from falling off, reduce the bumpy feeling of the gear teeth and improve driving stability.
●Suitable for: suitable for folding bikes with 11T or 13T rear derailleur. It can be combined with a variety of guide wheels, usually 11 tooth guide wheels are used, or 13 tooth guide wheels can also be used.
●High quality: CNC precision machining, bearing shaft, chain tensioner made of high-quality aluminium alloy material, light weight, does not add additional pressure to the bike.
●Please note: Please check our product size and detailed drawing before purchasing to find the style that fits your bicycle model. If you have any questions, please contact us, we will provide you with a satisfactory service.

[Red]

[silver]

[Black]

Description

Features:
1. Exquisite workmanship, full CNC precision machining, anode paint, bearing shaft, can be used with a variety of guide wheels, the guide wheel is usually 11 teeth, can also use 13 teeth.
2. Lightweight and easy to install, made of high quality aluminium alloy material, durable.

Specification:
Type: chain tensioner
Material: aluminium alloy.
Dimensions: approx. 5.5 x 12 cm / 2.17 x 4.72 inches.
Color: red, black, silver (optional)

Package includes:
1 x chain tensioner