Enhances chain efficiency by reducing wear, prolonging chain lifes and reducing noise. 1 support tooth disc ranges: 30T-40T (round disc), 30T-38T (elliptical disc). 2 support tooth disc ranges: 28T-40T (round disc), 30T-38T (elliptical disc).
ZAMETTER Mountain Bike Chain Guide Anti-drop Speed Modification Single Speed Bike Anti-drop Chain Tensioner(Silver)
RETUOLWAG Mountain Bike Chain Guide Practical Drop Catcher Bicycles Single Speed Chain Guide Low Directly Mount Chain Guard
ZWTPGKRD Mountain Bike Chain Guide Practical Drop Catcher Bicycles Single Speed Chain Guide Wide Narrow Gear Guider Enduring
Bike Chain Guide, Mountain Bike Road Bike 31.8mm 34.9mm Disc Chain Guide And Chain Stabilizer For The Single Number Chainring(34.9mm)
MTB Chain Guide Aluminum Alloy Mountain Bike Chain Guide MTB Chain Guide Durable
Xolsurg BIKE CHAIN GUIDE ALUMINUM ALLOY HIGH STRENGTH RED SINGLE DISC CYCLING MOUNTAIN LIGHTWEIGHT BICYCLE
