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, automatically adjusts chain tension, eliminates the need for manual adjustment. Chain Adjust Tool - Solid and durable design effectively prevents chain slippage due to looseness. Motorcycle Chain Tensioner - Enhances riding safety, abrasion resistant and durable, helps improve tire performance. Adjustable Chain Tensioner - Suitable for most motorcycles, ideal 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 other padding materials to cushion the contact area before installation. Screws may require extension; buyers should measure their vehicle dimensions prior to purchase to ensure compatibility.