(set of 4 inner tube) 200 x 50 inner tube (8 inch) mbs mountainboards qind brand new (set of 4 inner tube) 200 x 50 inner tube (8 inch) for mbs mountainboards ** free shipping <p> the inner tubes fits the mountain-board pictured above. fits other scooter brands that come with tire size 200x50. (8"x 2" out side diameter & with) <p> compatible with the following scooters plus other similar models: <p> razor e100 & e125 razor e200 razor e-punk amplifier a7 bladez xtr lite, elite 250 bladez ion 250 bravo black box city bug city bug helper e-boarder e-scooter w/8x2 tires force 250 gt 250 & mini-e gt kobra hcf 701 hcf 705 hurricane mongoose m250 shocker salorr black box salorr e3007 salorr fs102a schwinn s-150 stingray schwinn mini-e spartan sport storm 350 street jammer tomb raider tornado vapor vapor ii x24 viza volt 200w wal-mart m150 z scooter z cruiser z scooter z rider z scooter z turbo z scooter z lightning zappy original scooter zappy turbo scooter zz rider zz cruiser <p> usa seller. free shipping. <p> we ship the same business day, all parts place before 4pm pacific standard time. calif. resident pay 9.5% sale tax.