Tire sizes › Trailer
How much sealant and balancing beads for a ST225/75R15 tire
A ST225/75R15 is about 8.6" wide and 28.3" tall (Carlisle Radial Trail HD (LR D) spec, 28.8 lb). Trailer tires are dosed for highway use below.
Sealant per tire, by brand
| Brand | Per tire | Per set of 4 |
|---|---|---|
| Slime | 15.8 oz | 63.2 oz |
| Ride-On | 15.9 oz | 63.6 oz |
| Berryman | 9.7 oz | 38.8 oz |
| LiQuiTube | 24 oz | 96 oz |
Typical LiQuiTube amounts by vehicle
| Vehicle | Front | Rear |
|---|---|---|
| Utility trailer | 16 oz | 16 oz |
| Equipment trailer | 28 oz | 28 oz |
A quick reference only. For a ST225/75R15, go by the size-based amount above (24 oz).
Balancing beads per tire
| Brand | Per tire | From | Notes |
|---|---|---|---|
| Magnum+ | 2.9 oz | 1 oz per 10 lb of tire (for sizes not on its chart), 28.8 lb tire | — |
For your exact tire and wheel weights, use the bead calculator.
Formulas and sources are on the sealant calculator page. Amounts are each maker's guidance; follow your product's label.