DuBro Big Wheels (2-Pack) 4-1/2" Replacement Wheels for RC Cars & Trucks - Perfect for Off-Road Racing and DIY Vehicle Upgrades

Smooth inflatable tires with positive seal air valves. Features two piece bolt together hubs and hub caps. Wheels can be inflated (or deflated) thru a tiny valve in the side of the tire. Axle diameter size 5/32 (4mm).Key Features: 2 per package