Synchro-Link® Trapezoidal XL (Polyurethane)Features & BenefitsPolyurethane timing belts provide a lightweight drive system, when used with aluminum or plastic pulleys.Exceptionally quiet operationIdeal for applications needing high oil and ozone resistance.Extremely clean operation makes belts suitable for appliance and office machine use.Body is made from the highest quality polyurethane for maximum oil and ozone resistance.Non-static conductive.Provide high load carrying capacity and superior tooth shear strength under shock load applications.