High Performance 11T Pulley Chain Tensioner for Aluminium Alloy Mountain Bikes (Silver)
YJDOORPLAY 11T Pulley Chain Tensioner for Single Speed Bicycles Made of Aluminium Alloy (Black)
11T Nylon Chain Tensioner Pulley Wheel for Folding Bike - Reduces Chain Noise, Easy Installation - Fit for Cycling Enthusiasts and Commuters (10MM)
11T Nylon Chain Tensioner Pulley Wheel for Folding Bike - Reduces Chain Noise, Easy Installation - Fit for Cycling Enthusiasts and Commuters (8MM)