Parts Unlimited Part number: PU-0350-0640 Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart 16 x 3.25 / 3.50 Tire Inner Tube - TR4 - [0350-0640] MOOSE RACING - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. Moose Racing Standard Inner Tube 3.25/3.50-16 TR4 - [0350-0640] Details: Made from butyl rubber Tube thickness is 1.2mm Front/Rear 16" rim diameter TR-4 3.25-16 3.50-16 Sold each