Fourteen years after the release of the GP4000, GP5000 takes over. 12% less rolling resistance, 20% increased puncture resistance, 3% lighter, and now available tubeless ready. The tyre we’ve all been waiting for is here.Key Features:Active Comfort: Elastomer damping layer for improved comfort,Lazer Grip: Laser engraved texture on shoulders for greater cornering traction and improved aerodynamic performance,Vectran Breaker: Liquidcrystalline polymer defense layer, for the ultimate puncture protection with no adverse affect on rolling resistance,Black Chili: The premium compound for grip, speed and durability.Improvements on the GP4000:Available now in both clincher & tubeless versions,12% better rolling resistance ,20% increased puncture protection,10g lighter (25mm).