Universal fitment Helps prevent skinned knuckles Quick & easy installation Good for front & back Economical Here is our truly universal bent valve stem for tubeless tires with removable locking nut and seals Designed to fit in just about every possible scooter’s rim, our bent valve stem works equally well on street-legal motor scooters, recreational scooters, ATVs, dirt bikes and go-karts Description Here is our truly universal bent valve stem for tubeless tires with removable locking nut and seals. Designed to fit in just about every possible scooter’s rim, our bent valve stem works equally well on street-legal motor scooters, recreational scooters, ATVs, dirt bikes and go-karts. It takes about as long to read about it as it does to change this cap. Unscrew the cap Unscrew the valve nut Remove the upper seal Insert into the rim Replace the rubber seal and the metal seat ring Tighten the nut, mount the tire, add some air and get scootin’ again. And at our low everyday Monster Scooter Parts price, you will want one for both rims.