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Confirm Tire Size
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2025 Rivian R1T Ascend
Your vehicle manufacturer’s recommended tire specs include different front and rear tire sizes (i.e. staggered fitment). Learn about Staggered Fitment
Original Equipment Wheel Diameter:
Front 22" / Rear 22"
Front Tires
275/50R22
Rear Tires
305/45R22
Where can I find my tire size?Where can I find my tire size?