275/55R22
275/55R22 ships as an OEM size on the Rivian R1S, Rivian R1T. At 33.91″ diameter with a 5.95″ sidewall (55% of section width), this size turns 595 revolutions per mile.
About 275/55R22
Factory fitments for 275/55R22 include the Rivian R1S, Rivian R1T — meaning replacement tires in this size see steady demand and broad brand availability. At 33.91″ overall diameter, 275/55R22 turns 595 revolutions per mile, which is the reference point the factory speedometer and odometer were calibrated against. The 55% aspect ratio gives it a moderate sidewall suited to sporty street driving and responsive turn-in. The 22″ rim pairing is typical for heavy-duty, off-road-lifted, and show-build applications, so compatible wheels are easy to source new or used. Going one step shorter to 295/50R22 drops diameter by 0.87%, which stays within the ±3% fitment safe zone for most vehicles. If you are shopping for a direct replacement, any tire within roughly ±0.7″ of the 33.91″ stock diameter (about ±2% in percentage terms) will keep ABS, TPMS, and odometer readings inside the vehicle's designed tolerance.
Compare with another size
275/65R18 or "33" for inch aliases275/55R22
- Diameter
- 33.91″ / 861.3mm
- Section Width
- 10.83″
- Sidewall
- 5.95″ / 151.25mm
- Circumference
- 106.53″
- Revs/Mile
- 595
265/50R22
- Diameter
- 32.43″ / 823.8mm
- Section Width
- 10.43″
- Sidewall
- 5.22″ / 132.5mm
- Circumference
- 101.89″
- Revs/Mile
- 622
Speedometer & Diameter Impact
At an indicated 60 mph, your actual speed is 57.39 mph (92.36 km/h). Your speedometer reads 4.35% high versus actual speed.