Introducing the High Road SL, the fastest and lightest road tyre developed by Maxxis. It features: our all-new HYPR-S Compound; Building on the success of the HYPR compound which debuted on the original High Road, the new HYPR-S compound retains exceptional grip while decreasing rolling resistance by 12%, our K2 breaker beneath the tread for puncture protection; and a lightest and most supple supple 170 TPI casing Specification Be fast, not last TPI:170 Compound: HYPR-S Compound Technology Puncture Protection Level: 1 2 34 Breaker: K2 Puncture Protection Bead Type: Folding Weight: 170g HYPR-S Compound HYPR-S is a full-silica compound. Building on the success of the HYPR compound which debuted on the original High Road, the new HYPR-S compound retains exceptional grip while decreasing rolling resistance by 12%. K2 Available in select tires, this Maxxis exclusive fabric provides greater puncture protection than both standard Kevlar® and Vectran®. The addition of this lightweight and supple material ensures that ride quality and performance remain unsurpassed