The 219HTZ SDH Kart Chain has the longest life of any Non-O_Ring D.I.D Chain due to its special SDH Technology Pin Treatment.
What is SDH?
SDH is D.D.D's unique and latest Pin-Hardening Technology, which has 40% Greate Wear Resistance and Longer Life than the conventional 219HTM DHA chain.
The 219HTZ SDH Kart Chain has the longest life of any Non-O_Ring D.I.D Chain due to its special SDH Technology Pin Treatment.
What is SDH?
SDH is D.D.D's unique and latest Pin-Hardening Technology, which has 40% Greate Wear Resistance and Longer Life than the conventional 219HTM DHA chain.
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