Ag wheels made easy

If your equipment isn't listed call 1-641-450-7090 or complete our custom inquiry form so we can help you find the wheel you need.

18x8.50/9.50-8 21x12-8 TR13 Bias Tube

18x8.50/9.50-8 21x12-8 TR13 Bias Tube

Valve Stem style TR13

Fits Tire sizes: 18/8.5-8, 18/9.0-8, 18.5/8.5-8, 18.5/9.5-8, 21/12.00-8

This tube is for Bias tires only.

SKU: TU-0895B-13

Quantity Pricing

In Stock

Add to Cart

Estimate Shipping

Estimate only. Rate to be determined on final checkout screen.

ALASKA and HAWAII Residents - Please contact us for a freight quote prior to purchase. Call 641-450-7090 or submit an inquiry through our Custom Inquiry Form.

Product Details


Rim Diameter 8"
Valve Type TR13
Tube Style Standard
Radial / Bias Bias

Tire Sizes

Width Aspect Ratio Wheel Diameter
18 9.0 8
18 8.5 8
18.5 9.5 8
18.5 8.5 8
21 12.00 8
  • Call 1-641-450-7090
  • Monday - Friday 7:30 AM to 5:00 PM CST
  • After hours pick up available by calling 1-641-420-2302
go to top of site