Motorcycle variable speed v-belt (835-20-30) 1. Low noise operation 2. No need of lubricant 3. Prevent slidding,best quali Motorcycle variable speed v-belt (835-20-30) Characteristics of the product : We are factory ,not a trading company1,top rubber:(cr,HNBR) to protect the lining tensile member 2,teeth rubber:protect the adhesive force of the tensile member&maintai3,tensile member:critical ...