Click to expand Tap to zoom 4.00-6 Inner Tube with A TR13 Valve Stem - Fits 3.50-6 by TYK Industries No reviews $16.99 | / SKU TYK0008 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Heavy Duty construction Manufactured with butyl rubber to resist ozone and weather cracking Manufactured with an off-set TR-13 short rubber valve stem