SANTITY Single Speed Bike Chain Tensioner, Lightweight Aluminum Alloy Rear Derailleur Chain Tensioner with Sprocket Bike Folding Bicycle Guide Wheel Cylcling Tool Replacement Accessories

SANTITY Aluminum Alloy Cycling Single Speed Rear Derailleur Chain Tensioner With Sprocket Bike Folding Bicycle Guide Wheel - Made of high-quality aluminum alloy, this bicycle chain tensioner is durable. The floating pulley and spring adjustment can achieve perfect chain tension. Lightweight and easy to install. Single speed converter is very suitable for the bicycle that suits for mountainous terrain,ideal for people who like cycling. Specifications: Type: chain tensioner Material: Aluminum alloy Theme: Sports Function: easy to use Type of exercise: cycling Length: about 120mm Width: about 54mm Package included: 1 x Bike chain tensioner