Chain tensioner for motorbike with spring and rollers Features: Made of high-quality metal material, sturdy and durable, offering a longer service life. Chain roller tensioner ensures proper tension and alignment of the chain, helping prevent derailment and excessive sprocket wear. Easy to install with a stable structure; includes an additional chain roller for convenient replacement. Provides reliable performance and fine workmanship, built stronger than standard tensioners. 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. The actual color may vary slightly due to different screen displays.