SPV-DB007, Dirt Bike with CNC frame SPV-DB007, Dirt Bike with CNC frame 1). Full aluminum alloy parts made by CNC , #6061 aluminum material with T4&T6 process. 2). CNC frame head without weld to make a better strength. 3). 125CC engine to start in any gear. 4). Adjustable Thumpstar front forks ; Adjustable Rear shock absorber made in Taiwan. 5). Hydraulic disk brake for front and rear. 6). Oil cooler for your option.