Tyre Speed Ratings

	A	B	C	D
1	Speed Symbol		Speed (mph)	Speed (kmh)

2	E		43	70
3	F		50	80
4	G		56	90
5	J		62	100
6	K		68	110
7	L		75	120
8	M		81	130
9	N		87	140
10	P		94	150
11	Q		100	160
12	R		106	170
13	S		112	180
14	T		118	190
15	U		124	200
16	H		130	210
17	V		149	240
18	W	ZR*	168	270
19	Y	ZR*	186	300
20	(Y)	ZR**	Above 186 (consult manufacturer)	Above 300
21
22	* Tyre manufacturer may or may not (is not obligated to) include a "Z" in the size designation.
23	** Tyre manufacturer must include a "Z" in the size designation.
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