Brand New Apollo AGB-36 Adult Dirt Bike. The full-size Apollo DB-36 Adult Dirt Bike comes with all the same great features found on more expensive bikes AGB DB-36 Engine type: 250cc 4-stroke and 55.9 inch great Wheel-base, which provides great rider control and comfort. Transmission: Manual, 5-Speed Transmission quicker start and much more convenient . Pro`s Choice . Starting system: Kick Built over a heavy-duty steel twin-spar frame, the DB-36 boasts big 54 mm inverted forks up front and an adjustable mono-shock in the rear along with a full-size 21-inch front wheel that provides excellent ground clearance and makes navigating obstacles and off-road trails a breeze. Make no mistake, with a 36.6-inch tall seat, this is a serious dirt bike . And it's got a serious 250cc 4-stroke engine and manual 5-speed tyranny for a power combination best suited to experienced riders. Just feather the clutch, twist the throttle, and put the power on the ground . Heavy-duty spoke rims wrapped in aggressive knobby tires are perfect for climbing over rocks and downed trees, clawing through muddy terrain, and scrambling up hills.