Cheng-Shin Hi Max C907/C906 - For high performance and maximum value. This pair has been designed and matched for one purpose - stable high speed touring in all weather conditions. The low profiles and aggressive tread patterns give you a tenacious grip, and an advanced wear-resistant rubber compound will mean extra miles of worry-free thrills. The diagonal tread pattern is designed to allow more efficient water dispersion whilst maintaining good control on corners. With the special construction this provides a safe and smooth ride at high speeds.