Size at a glance
| ETRTO / ISO | 100-406 |
|---|---|
| Metric / French | — |
| Imperial (calculated) | 20 x 3.94 |
| Tire width | 100 mm (3.94 in) |
| Rim bead seat diameter | 406 mm |
| Common wheel name | 20-inch |
ETRTO is the only tire size standard that describes a real, measurable dimension, which is why it is the one worth trusting. Read 100-406 as “100 mm wide, on a 406 mm rim”. If the second number matches your rim, the tire fits.
All 2 tires in 100-406
3 listings across 2 models, sorted by brand and weight. Where one model appears more than once, those are genuinely different products — a different casing, colour or claimed weight.
| Brand | Model | Type | Weight | Build | Link |
|---|---|---|---|---|---|
| Maxxis | MaxxVenture | Fatbike | 1515 g | Black · E-50 | Details |
| Maxxis | MaxxVenture | Fatbike | 1740 g | Black · E-50 | Details |
| Schwalbe | Motion Super Moto-X | Trekking/City | 1265 g | DD, RaceGuard · Black+Reflex · E-50 | Details |
Search another size in the tool
Brands making 100-406 tires
Maxxis, Schwalbe.
Other sizes for 20-inch wheels
Every size below fits the same 406 mm rim.