opona bmx khe acme 20 x 2 40 ridehub 2The KHE ACME 20 x 2. 40" is an excellent BMX freestyle tire , designed for street and park riding. Thanks to its wide profile (2. 40") , the tire provides excellent stability, better control and effective shock absorption during jumps and landings . The diamond textured tread provides maximum grip , both on ramps and during foot contact, for increased bike control. The wire construction guarantees high durability and resistance to intensive use.