Натяжитель цепи для велосипеда, для езды на велосипеде, для предотвращения падения цепи, регулятор скорости, запасной болт из алюминиевого сплава

Description:
Single speed converter chain tensioner, great for mountain terrain bicycle.
Floating pulley and spring adjust for perfect chain tension.
Light weight and easy to install.
Made of high grade aluminum alloy material, durable in use.
Specification:
Material:Alloy
Color:Red/Black/Silver
Size:20*7mm
Packge Included:
1pc*Bicycle tensioner
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 1-2 cm differences due to manual measurement.