- The most fuel efficient tire in the Hercules passenger lineup with LRR tread compounding (low rolling resistance). - Computer optimized tread design that greatly reduces road noise and vibrations. - Touring tread design and siping result in superior all-season performance. - Nylon overwrap added in the green tire aids in the stability and longevity of the Roadtour655. - Profile design and center-rib result in crisp steering response and enhance overall road handling characteristics.