SDH is DID's unique and latest Pin-Hardening technology, which has 40% grater wear resistance and longer life than the conventional 219 DHA chains.
249g per 100 links
Premium quality non-o-ring kart chain, using SDH technology for a greater wear resistance and longer chain life. (DID 219 HTZ SDH supersede DID 219 HTM DHA)
Longest lifetime and lowest friction of all 219 DID chains
Ideal for classes such as Rotax or X30
Higher tensile strength and less resistant to stretching
