Features: Made of high-quality metal material, sturdy and strong, offering a longer service life. Chain roller tensioner ensures proper tension and alignment of the chain. It helps prevent the chain from derailing and reduces excessive wear of the sprocket. Easy to install. The tensioner has a stable structure, making installation convenient, and the extra chain roller allows for easy replacement. Good performance and fine workmanship, with a more robust build compared to other tensioners. The chain tensioner is widely suitable for adjusting the chain on motorcycles, mini bikes, and similar vehicles. Package Includes: 1 Set Chain Tensioner (As Shown in Picture) Specifications: Material: Metal + Silicone Size: As Shown in Picture Note: Please allow 1-2 cm errors due to manual measurement. Due to differences in computer displays, the pictures may not reflect the actual color of the item.