Bike Chain Tensioner, Bicycl-e Tensioner, Aluminum Alloy Adjustable Chain Guide, Single Speed Chains Adjuster Converter for MTB, Road Bike, 2.30x1.10x4.33inch
Material: Made of aluminum alloy material, light weight does not put an extra burden on the bicycle.Crafted from premium-grade aluminum alloy through a high-precision machining process.
For 11T/13T Derailleur: Ensures perfec-t tension for your chain to make you pedal with less efforts.
Spring Design&Fashion Appearance: This chain adjuster can change multi-speed bikes into single speed bike.The black and purple color will make sure that this bike chain tensioner can be combined with your bike of any other color. Nice bike accessory for cycling lovers.
Function& Usage: This chain adjuster can change multi-speed bikes into single speed bike. Easy to install, installed in the frame claw screw hole.MTB, road racing, fixie bikes, single speed bikes, bmx's, freesty-le bikes.
Universal: It can fit various sizes of gear, and preve-nt chain from skidding out from the crank.