The single duro Cheetahs are a 77mm tall by 71mm wide square lipped wheel that is perfect for your downhill or longboard setups. We pour these wheels in the same high-rebound 76a formula used for the tread on the Dual-Duro Cheetahs. This results in a wheel that can roll over whatever is in your path, cracks, rocks and bad pavement are no match for these wheels. The offset core placement, glossy finish and flexible lips combine to give you unbelievable grip whether you are flying down a mountain on your downhill board or carving deep on your longboard. Warning: The Cheetah wheels are FAST!