Aluminum Alloy Bicycles Chain Tensioner Folding Bike Single Speed Adjuster Converter Rear Derailleur Guide Cycling Parts

Features: Made of Aluminum alloy and stainless steel materials, light in weight and small, easy to install and use. Function: It can effectively prevent the chain from falling off, and reduce the gear feeling. Floating pulley and spring design can fit various sizes of gear, and prevent chain from skidding out from the crank. This bike chain tensioner can ensure that the chain reaches the ideal tension state, making your pedal operation labor saving. This single speed bike adjuster is suitable for folding bike with 11T or 13T rear derailleur.

Specifications: Materials: Aluminum alloy and stainless steel Color: Black/Red/Gold Size: as shown in the picture

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: 1set Bicycles Chain Tensioner