land motor vehicles, namely, electric vehicles, all terrain vehicles, motorcycles, motor scooters, mopeds, and structural parts therefor; structural parts; engines for land vehicles; devices for proportioning stopping force between front and rear wheel brakes on motorcycles, namely, a secondary master cylinder, a proportional control valve and multi-pistoned calipers; motorcycle, motorscooter, and all terrain vehicles and structural parts thereof; motorcycle parts, namely, a mechanically-activated anti-dive system for use in braking comprised of brake calipers, valves and levers; motorcycle suspensions and structural parts