Spring Hole Design 10 spring hole settings allow precise direction adjustment of the spring, enabling finetuned control of tension and alignment. Benefit: helps you dial in the exact spring orientation for consistent performance and smooth operation. Compatibility Variable tension and position to fit suspension frames with different chain lengths or frame designs. Benefit: versatile in use across multiple bikes or setups, reducing the need for multiple tensioners. Fixing Rod Adjusting Screw Adjust the extension length of the fixing rod so the guide wheel and the chain run in a straight line. Benefit: ensures accurate chain alignment, improving efficiency and reducing wear. Construction Aluminum alloy body machined by CNC, delivering durable, precision construction. Benefit: longlasting performance with strong resistance to breakage in demanding conditions. Use scenarios Scenario 1: Mountain bikes or trail bikes with adjustable rear suspension and varying chain lengths. Install the tensioner and use the 10 spring holes to set the spring direction for chain tension across different setups. Scenario 2: Frames with different chainlines or geometry changes, such as upgrading components or switching wheel sizes. Use the adjustable tension and position to maintain proper chain tension and alignment without swapping tensioners. Scenario 3: Regular maintenance or field adjustments for riders who frequently modify their drivetrain or frame configuration. The fixing rod adjusting screw lets you quickly align the guide wheel and chain in a straight line, preserving performance on the go.