Ground Control Mega Skate Frames 74mm 90a Ready To Roll, BlackOur new lightweight street frame that allows up to 64mm wheels flat rockered. The MEGA has a more traditional height, offering a low center of gravity and familiar balance on topsides and h block grinds. The h block is designed to wrap around the inner wheels to help safeguard skaters from the dreaded wheel bite. Wheel spacing allows for full access to UFS bolts making frame change rotation a breeze. UFS mounting points have been beefed up to 9mm