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- D.I.D’s professional high-performance non-O-ring chain
- DHA pin treatment; hard chromium-carbide layer formed on pin surface
- Far better wear-resistance than other chains
- Up to 19% higher tensile strength
- Increased anti-oxidation performance
- Solid bushings, quad-riveted pins
- 420 NZ and 428 NZ available with either gold or black side plates
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