Question 1

What does 21×11.00−8 mean?

Accepted Answer

21×11.00−8 breaks down as 21″ tall, 11″ wide, on a 8-inch wheel. It's also written 21x11-8.

Question 2

What machines take 21×11.00−8 tires?

Accepted Answer

ATV rear on utility quads — Honda Foreman/Rancher, Polaris Sportsman youth/mid-size.

Question 3

Are all 21×11.00−8 tires interchangeable?

Accepted Answer

The size is — any 21×11.00−8 tire fits any 21×11.00−8 rim. But ply rating, tread pattern, and tube compatibility vary. 4P is the standard at this size for typical use.

Question 4

Can I use a 21×11.00−8 tire with a tube?

Accepted Answer

Most 21×11.00−8 tires are tubeless and run fine without one. You can run a matching 21x11.00-8 tube (TR-13 valve) inside a tubeless tire if you're patching a sidewall or running low pressure — it's safe and common practice.

Question 5

How fast does an order ship?

Accepted Answer

If it's in stock and your order is placed by 2 PM ET, it usually goes out the same business day — and within one business day either way. Standard ground delivery to the Eastern half of the country is typically 2–3 business days; West Coast 4–5 days.

21x11.00-8 ATV Tires

All 2 tires in 21x11.00-8

Kenda K472

OTR TR32 22 Mag

Common questions