120x54mm Aluminium Alloy Cycling Single Speed Chain Tensioner MTB Bicycle Chain Replacement Prevent Chain Falling Off
Features:
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.
Size:free size
Material: aluminum alloy
Length: approx. 120mm
Width: approx. 54mm
Package include:1PC
