Meroca Single Speed Chain Tensioner Aluminum Alloy Rear Derailleur Chain Guide Stabilizer for MTB Road Bike Bicycle

Keep your single-speed drivetrain running smooth and secure with this lightweight aluminium chain tensioner. Featuring a hidden high-tension spring, adjustable tension and an 11T metal pulley, it helps reduce chain bounce, slipping and derailment. CNC-machined with an anodised finish for added durability and corrosion resistance.

Suitable for bikes with a rear derailleur hanger.