AOOCEEPAW Bike Chain Tensioner Single Speed Adjuster Converter for MTB Road Racing Bike 1pc
- ✅⭐For 11T/13T Derailleur: Ensures perfect tension for your chain to make you pedal with less efforts..
- ✅⭐Made of aluminum alloy material, light weight does not put an extra burden on the bicycle..
- ✅⭐Usage: MTB, road racing, fixie bikes, single speed bikes, ect..
- ✅⭐This chain adjuster can change multi-speed bikes into single speed bike..
- ✅⭐Universal: It can fit various sizes of gear, and prevent chain from skidding out from the crank..