Airshi Bike Chain Retainer, Bike Chain Tensioner Anti Break Fixed Chain Black for Mountain Bike

Airshi Bike Chain Retainer, Bike Chain Tensioner Anti Break Fixed Chain Black for Mountain Bike

• Fixed Chain: It limits chain chatter caused by swinging the trailing arm under hard bumps, preventing or greatly reducing the chance of losing a chain.
• Wear Resistant: This bike chain retainer is made of premium nylon material, which is resistant to wear and tear and has a long service life.
• High Adaptability: Can be adapted to the bike frame with the tube, suitable for any bike with traditional chain (not compatible with elevated design).
• Anti Break: The middle of this chain fixer is made of elastic material, which is anti break, stable in performance, and can be used with confidence.
• Easy to Install: Small and portable, no need to remove the chain, easy to install, no adverse effect on the shifting system.