Single-Speed Chain Tensioner with Adjustable Tension and Dual Spring Chain Guides - Noiseless Performance and Easy Installation for Dirt Bikes, Folding Bikes

Product name: Chain guide tensionerMaterial: 6061+7075 aluminum alloyProduct size: 180*70*45MMPackaging size: 210*100*60MMNet weight: 130gWeight after packaging: 205gColor: red/Installation specifications: Supports single speed/2 speed/3 speed/6 speed internal and external speed.Highlights: This product uses 7075 locking screws to increase the locking force and strength. The return spring and guide wheel bearing are replaced with stainless steel materials without worrying about rusting due to weather, which increases the service life.Function: It plays the role of adjusting the rear speed during riding. The horizontal middle bearing reduces wear and tear, while increasing the tension of the chain, making it less likely to drop the chain.

• Made of aluminum alloy material, light weight does not put an extra burden on the bicycle.
• This chain adjuster can change multi-speed bikes into single speed bike. Easy to install, installed in the frame claw screw hole.
• Derailleur--- Ensures perfect tension for your chain to make you pedal with less efforts.
• With spring design, It can fit various sizes of gear, and prevent chain from skidding out from the crank.
• Suitable for folding bike derailleur. Suitable for MTB, road racing, fixie bikes, single speed bikes, ect.