... in producing outdoor sport products,our main items are Pro scooter,Kick scooter,Tri-scooter,Skateboard,Flashing roller etc.The generic products we ... ¼” down tube and straight cross-bar.2.Pro Triple Scooter Clamp made from 6061 aluminum.3.Headset for threaded forks. Steel cups ... alloy threaded fork.5.Extra strength Nylon mix Fiber Core, 88A PU cast wheels, ABEC-7 bearings. Size: 100*24mm.6.6061 ...