Tire sizes › Motorcycle
How much sealant and balancing beads for a 90/90-21 tire
A 90/90-21 is about 3.54" wide and 27.4" tall (calculated from the size). Motorcycle tires are dosed for motorcycle use below.
Sealant per tire, by brand
| Brand | Per tire | Per set of 4 |
|---|---|---|
| Slime | 6.3 oz | 25.2 oz |
| Ride-On | 7.3 oz | 29.2 oz |
| Berryman | 3.9 oz | 15.6 oz |
| LiQuiTube | 10 oz | 40 oz |
Typical LiQuiTube amounts by vehicle
| Vehicle | Front | Rear |
|---|---|---|
| Dirt bike | 9 oz | 12 oz |
| Street / cruiser motorcycle | 12 oz | 16 oz |
A quick reference only. For a 90/90-21, go by the size-based amount above (10 oz).
Formulas and sources are on the sealant calculator page. Amounts are each maker's guidance; follow your product's label.