Wide Compatibility‌ - RUTU mini bike chain tensioner fit for ‌Coleman CT200U/CT200U-EX/BT200X‌, Baja Heat/Warrior/MB165/MB200, Massimo MB200, TrailMaster MB200, Hensim MB165/MB200, and ‌Predator 212/196cc engines Improving Safety - Chain tensioners can effectively prevent chain looseness and detachment, enhance the stability of chain operation, and reduce vibration and noise. Bring a more comfortable and safe riding experience Extend Service Life - Chain tensioner can support the chain, reduce friction with the frame or other components, and extend the service life of the chain and sprocket; Prevent the chain from directly contacting the frame, avoiding wear and tear on the frame High Quality Materials - made of high-quality iron materials, with a corrosion-resistant black coating that effectively prevents rust and increases wear resistance Note - Please check the product size shown in the picture before purchasing to ensure that you are ordering the correct product. If you have any questions, please feel free to contact us at any time RUTU Chain Tensioner with 1-3/4" Roller Compatible with Coleman CT200U BT200X CT200U-EX, Massimo MB200, Baja Warrior, Hensim, TrailMaster Fits 196cc 212cc 6.5HP Engines Mini Bike Powersports Parts