MICHELIN® Road Classic - Modern technologies to make the most of your classic bike! Thanks to its bias-ply technology and bias casing supported by two crown plies the Michelin Road Classic tire provides 50% more stability when cornering and 40% more straight-line than the previous generation. A compound mix incorporating Michelin® Silica Rain Technology™ (SRT), an innovation which combined with a 26% void ratio provides 50% more wet grip than the previous generation. 50% more wet grip than the previous generation. Increased cornering and straight-line stability than the previous generation. Approved on iconic motorcycles. The MICHELIN Road Classic has already received technical approval from Triumph® for its most iconic models (Bonneville®, Street Twin®, etc.). Tire Specifications: Load / speed index: 58V.