Walmart offers the Mega Moto 212cc Mega Max Mini Bike for $399. Choose in-store pickup to avoid the $49.97 shipping fee. That's tied with last week's mention and the lowest price we could find by $351. It features: 7.5HP, 212cc engine automatic centrifugal force clutch 29-MPH max speed 26" seat height and 200-lb. max user weight 19 x 7 off road pneumatic tires