Folding Bike Chains Tensioner Bicycles Rear Derailleur Chain Guide Rear Derailleur Chain Stretch Guide Stabilizer

Features:
It is used to prevent drop when folding the chain hook of bicycles. It is installed on the rear derailleur guide wheel frame.
Designed specifically for folding bikes, this tensioner ensures a perfectly fit and function.
Made from aluminum alloy, this tensioner ensures durability and light weight performances.
Easily adjustable speed settings for optimal chain tension, enhancing your cycling efficiency.
Features a rear derailleur mount and guide wheels for stable, drop-free chain management.

Specifications:
Materials: Aluminum alloy
Color: Red/Black/Gold/Silver
Size: about 8.1x2.6cm/3.19x1.02inch

Note:
Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.

Package includes:
1Pc Chain Tensioner