Sharper tread for greater manoeuvrability and less rolling resistance. HDProtection puncture resistant band: +10% puncture resistance. New ultra flexible new 3 x 110 TPI carcass. BiCompound rubber with excellent grip on wet roads. Michelin Pro4 service course 700 x 23 soft bead tyre is even more efficient. With ideal performance for competition, such as superior grip and exceptional performance. These characteristics are due to the BiCompound rubber, which is harder in the middle to ensure speed and performance and softer in the outer areas to provide optimum grip in the curves. This tyre is also very safe, with effective wet grip and high performance HDProtection puncture protection. Recommended minimum pressure: 6 bar / 87 psi. Maximum recommended pressure: 8 bar / 116 psi. ETRTO dimensions: 23-622. weight (manufacturer): 200 g.