ITEM NAME:1pc Universal TR500 Brass Straight Tubeless Car Truck Bus Tire Valve Stem #gib Store Home Promotion Hot Item Add to Fav.Model: TR500. 1 x TR500 Tire Valve Stem. Durable brass tire valve stem;. Material: brass + rubber. Applicable models: universal. Gross weight: 35g. Product size: 58 x 18 x 18mm/2.28 x 0.71 x 0.71". Toys, Hobbies.