Skatecycle , Snakeboard,Skate cycle ,new product cycle,wobble board 1)Aluminum body 2)hard wearing wheel ... and maintain momentum on flat ground. Skatecycle , Snakeboard,Skate cycle ,new product cycle,wobble board Measures 32 x 6.5 x 8 ... ?Currently there is only one size. Skatecycle , Snakeboard,Skate cycle ,new product cycle,wobble board