Chain Tensioner - Adjuster Chain Tensioner Bolt On Roller Motorcycle Link Length Modified Universal Accessories Tool 1pc Chain Tensioner - , made of iron and plastic material, durable for long-term use. Chain Adjust Tensioner - Easy to install, non-damaging to the frame, allows automatic chain adjustment, eliminating the need for manual tuning. Chain Adjust Tool - Features a solid and durable design, effectively prevents chain slippage due to looseness. Motorcycle Chain Tensioner - Enhances riding safety, abrasion resistant and long lasting, helps improve tire performance. Adjustable Chain Tensioner - Compatible with most motorcycles, suitable for modified motorcycle parts, automatically adjusts large chain tension. Specifications: Color options: Black, Blue, Red, Yellow Size: Roller size 6.5 x 4 cm Package includes: 1 pc Motorcycle Chain Tensioner Notes: When installing the circular frame, use rubber or similar padding material to secure it properly before installation. Screws may require extension; buyers should measure their vehicle height beforehand to ensure proper fitment and avoid compatibility issues.