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Sidewall

255/70R22.5

255 mm across the tread, a sidewall 70% of that — 179 mm — on a 22.5-inch rim. That puts the whole wheel at 36.6 inches tall.

179 mm sidewall929 mm · 36.6"
Sidewall
7.03"
179 mm
Overall
36.6"
928.5 mm
Circumference
114.8"
2.917 m
Revs per mile
552
per minute at 60 mph

What it needs to sit on

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It mounts on a rim between 7" and 9.5" wide, and the tread follows the rim: roughly 5 mm of section width for every half-inch, so about 243 mm across at the narrow end and 268 mm at the wide one. Written the way lift kits and wheel wells are, it is a 36.6×10.0R22.5 — tall by wide, in inches.

What goes wrong on this size

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7 drivers have filed a complaint. 0 of them ended in a crash, and nobody was hurt. 2 people did not make it home.

7 of them name what let go, and it is most often blowout. Michelin is named more than any other brand.

What let goComplaints
blowout4
crack2
tread separation1

Where the wheel is named, 5 of 7 were on the rear, and 2 on the front.

What fits instead

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Same 22.5-inch rim, height within 3%. Past that the speedometer starts lying and things begin to rub.


SizeHeightRide heightSpeedo reads 60, you doCompare
275/65R22.536.6" +0.1 %+0.3 mm60.0 mphside by side
245/75R22.537.0" +1.1 %+5.3 mm60.7 mphside by side
265/65R22.536.1" -1.3 %-6.3 mm59.2 mphside by side
245/70R22.536.0" -1.5 %-7.0 mm59.1 mphside by side
265/70R22.537.1" +1.5 %+7.0 mm60.9 mphside by side
255/65R22.535.6" -2.7 %-12.8 mm58.4 mphside by side
255/75R22.537.6" +2.7 %+12.8 mm61.6 mphside by side
275/60R22.535.5" -2.9 %-13.5 mm58.3 mphside by side

Same height, different rim

Bigger rim, same overall height. Sharper steering, harsher ride, and far less rubber between your wheel and the next pothole.


285/75R19.5214 mm sidewall — 20% more
265/80R19.5212 mm sidewall — 19% more

If you fit something taller

A taller tire covers more ground per turn, so the needle reads low and the odometer counts short. Over ten thousand miles on the dial, the last column is what you really drove.


Fitted insteadReads 30Reads 50Reads 70Real miles per 10,000 shown
275/65R22.530.0 mph50.0 mph70.0 mph10,005
245/75R22.530.3 mph50.6 mph70.8 mph10,113
265/65R22.529.6 mph49.3 mph69.1 mph9,865
245/70R22.529.5 mph49.2 mph68.9 mph9,849
265/70R22.530.5 mph50.8 mph71.1 mph10,151