Schwalbe Tacky Chan Gravity Pro 27. 5" Radial Tire Maximum Stability Tacky Chan is Schwalbe's fastest downhill tire, built through two years of World Cup racing with input from overall winner Amaury Pierron. It delivers hard braking traction and sharp cornering grip, so you can pick any line and commit to it. The Gravity Pro radial version adds Schwalbe's toughest casing for riders who want maximum stability and protection on steep, rough descents. Features Radial carcass, gives a 30% larger contact patch at the same air pressure for more grip, damping, and control Shoulder lugs 10% stiffer than the Magic Mary, support aggressive cornering and a late braking point Radial-optimized tread, a slightly more closed pattern gives a smoother feel with more grip and control Gravity Pro casing, multi-layer carcass with APEX protection and reinforced sidewalls for high-load gravity riding Fair Rubber natural rubber, used across the PRO line E-50 rated, built for the added stress of e-bike use SPECIFICATIONSIntended Use Downhill, Freeride, Enduro, Bike Park, E-MTBWheel Size27. 5" (650b), ETRTO 63-584Width2. 5"Casing Radial, Gravity Pro (with APEX), 2 x 67 EPICompound Soft or Ultra Soft Bead Folding Tubeless Compatible Yes (TLR)Weight1310g E-Rating E-50 | Schwalbe | Tacky Chan Gravity Pro 27. 5" Radial Tire 27. 5X2. 5, Soft, 2X67 Tpi | Rubber