Aluminum Alloy Cycling Single Speed Rear Derailleur Chain Tensioner With Sprocket Bike Folding Guide Wheel

Feature: 1. 1.Made of high quality aluminum alloy, this bicycle chain tensioner is durable. 2. 2.The floating pulley and spring adjustment can achieve perfect chain tension. 3. 3.This bike chain tensioner is lightweight and easy to install. 4. 4.This single speed converter is very suitable for the bicycle that suits for mountainous terrain. 5. 5.Suitable for people who like cycling. Specification: Type: chain tensioner Material: Aluminum alloy Theme: Sports Function: easy to use Type of exercise: cycling Length: about 120mm Width: about 54mm Package List: 1 x Bike chain tensione Note: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 1 2cm differs due to manual measurement.