Велосипед из алюминиевого сплава велосипедный велосипед складной натяжитель цепи анти-падение Замена Спорт на открытом воздухе конвертер одной скорости

Description:
100% brand new and high quality!
Made of high quality aluminum alloy material, durable and rustproof.
Single speed converter chain tensioner, great for mountain terrain bicycle.
Floating pulley and spring adjust for perfect chain tension.
Easy to install,which is convenient to use.
Specifications:
Item type: Bike Chain Tensioner
Material: aluminum alloy
Color: Black, Silver, Red+Black.
Length: approx. 120mm
Width: approx. 54mm
Function: anti-drop, Increase chain tension
Suitable for: for folding bikes.
Package includes:
1* Chain Tensioner
Notes:
Transition: 1cm=10mm=0.39inch
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.