HardDrive Manual Primary Chain Adjuster HardDrive Manual Primary Chain Adjuster

- Ideal for bikes equipped with big displacement high performance engines
- Permits manual selection of primary chain tension and is a direct replacement for the original equipment automatic version
- The anodized billet aluminum adjuster allows you to fine tune and lock settings
- The manual adjustment locks the chain tension in place to prevent free play during severe shifting
- Ideal for bikes equipped with big displacement high performance engines
- Permits manual selection of primary chain tension and is a direct replacement for the original equipment automatic version
- The anodized billet aluminum adjuster allows you to fine tune and lock settings
- The manual adjustment locks the chain tension in place to prevent free play during severe shifting
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