I'm guessing its a Ti/Steel mix. That is heavy on the Ti to come down to 188. So should last ressembly well. Mine is alu, which will wear really quickly, and even snap if I'm clumbsy with my shifting.
Correct- bigger cogs are Ti, smaller cogs are steel.
Correct- bigger cogs are Ti, smaller cogs are steel.
DA 7900, purchased for a steal from Israel.