Durable Material: Folding bike chain guide is made of high-quality aluminium alloy and POM steel material, lightweight, wear-resistant, and can be used for a long time.
Fitment: The number of teeth is 10T, which is fit for 3sixty and other internal variable speed folding bikes. (single speed, internal 3 speeds, external 2 speeds, internal 5 speeds and internal 8 speeds)
Simple To Use: The folding bike chain guide tensioner is easy to use and does not put an extra burden on the bike, so you can use it with confidence.
Application: This folding bike chain tensioner for a special rear derailleur can replace the original rear derailleur as a whole, and help the chain prevent the chain from falling off more effectively.
Widely Use: Suitable for bicycle chain tensioning, can be used in mountain biking, road racing, fixed bicycle, single-speed bicycle, etc.