Tires and wheel rims - Demosophy.org

Tires:

Tire Sidewall Markings

Tagged diagram of tire size meanings

https://www.lesschwab.com/article/tire-size-explained-reading-the-sidewall.html

Tire Size Charts

Below you will find several charts that will help you understand tire sizing numbers, including a load index chart and speed rating chart.

LOAD INDEX

LOAD INDEX	LOAD (lbs)	LOAD INDEX	LOAD (lbs)	LOAD INDEX	LOAD (lbs)
65	639	94	1477	123	3417
66	661	95	1521	124	3527
67	677	96	1565	125	3638
68	694	97	1609	126	3748
69	716	98	1653	127	3858
70	739	99	1709	128	3968
71	761	100	1764	129	4079
72	783	101	1819	130	4189
73	805	102	1874	131	4299
74	827	103	1929	132	4409
75	853	104	1984	133	4541
76	882	105	2039	134	4674
77	908	106	2094	135	4806
78	937	107	2149	136	4938
79	963	108	2205	137	5071
80	992	109	2271	138	5203
81	1019	110	2337	139	5357
82	1047	111	2403	140	5512
83	1074	112	2469	141	5677
84	1102	113	2535	142	5842
85	1135	114	2601	143	6008
86	1168	115	2679	144	6173
87	1201	116	2756	145	6393
88	1235	117	2833	146	6614
89	1279	118	2910	147	6779
90	1323	119	2998	148	6944
91	1356	120	3086	149	7165
92	1389	121	3197	150	7385
93	1433	122	3307

PEED RATING

SPEED SYMBOL	SPEED (mph)
A1	3
A2	6
A3	9
A4	12
A5	16
A6	19
A7	22
A8	25
B	31
C	37
D	40
E	43
F	50
G	56
J	62
K	68
L	75
M	81
N	87
P	93
Q	99
R	106
S	112
T	118
U	124
H	130
V	149
W	168
Y	186
(Y)	Above 186

Aspect ratios are delivered in percentages. Tire makers calculate the aspect ratio by dividing a tire’s height off the rim by its width. If a tire has an aspect ratio of 70, it means the tire’s height is 70% of its width.

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17-Inch Rims 2017 Toyota RAV4

The original tire size for your 2017 Toyota RAV4 is listed below. Tap on the box to view a color-coded explanation of your Toyota RAV4’s’ tire size.

Trim Options:

Hybrid XLE LE XLE

225/65 R17 102H

Simplified Size: 225-65-17

The original tire size for your 2017 Toyota RAV4 is 225/65 R17 102H.

225

This number indicates that your tire has a width of 225 millimeters. (8.85827″)

Aspect ratio of 65%. In other words, your tire’s sidewall height (from the edge of the rim to the tire’s tread) is 65% of the width. In this case, the sidewall height works out to be 146 millimeters.

This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.

R	Radial
B	Bias Belt
D	Diagonal

The tire size was designed to fit rims or wheels that are 17 inches in diameter.

102

This tire has a load index of 102, which means it’s capable of carrying a load of 1870 pounds (850 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.

This tire has a speed rating of H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

https://www.sizemytires.com/vehicle/2017/toyota/rav4

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