Under 2000 lbs. 1.5" x 0.95"
All rollcages must be designed and constructed with one front vertical hoop, one rear vertical hoop,two interconnecting top bars, two rear down braces, one diagonal brace and all necessary gussets.The two top interconnecting bars must be placed as far to the outside of the top part of the front andrear hoops as possible. Rear down braces and diagonal brace must angle a minimum of 30 degreesfrom vertical. At the bottom of the diagonal brace there must be a cross member of the same tubingmaterial and dimensions as the hoop. All rollcage components (hoops, braces, gussets, etc.) musthave a minimum of 3-inch clearance from the component to the vehicle occupant’s helmets whenoccupants are seated in their normal riding positions. All portions of the roll bar or bracing thatmight come into contact with the vehicle occupant’s helmets must be padded. All portions of theroll bar or bracing that might come into contact with the vehicle occupant’s helmets must be padded.Rollcages must be securely mounted to the frame or body. All intersecting points must be gussetedand braced. Cab or body mounted rollcages must be bolted through the body structure and beattached by use of a minimum two 0.1875-inch thick doubler plates (one on each side of bodystructure). Bolts and nuts must be at least 0.375-inch-diameter s.a.e. Grade 8 or equivalent aircraftquality. Welding of cab or body mounted rollcages to body structure is strictly prohibited. Rollcageterminal ends must be attached to a frame or body member that will support maximum impact andnot shear or allow more than 1.5 inches of movement in the cage terminal end.