1× Aluminum Alloy Bike Chain Tension Guard Bolt Screw Single Speed Adjuster Bicycle Chain Tensioner Fastener Cycling Accessories

Features:

1.Single speed converter chain tensioner,great for mountain terrain bicycle.

2.Floating pulley and spring adjust for perfect chain tension.

3.Light weight and easy to install.

4.Made of high grade aluminum alloy material,durable in use.

Specifications:

Material: Aluminum Alloy

Color: Black

Note:

1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness .

2.Manual measuring,please allow 1-3mm error,thank you.