Bike Tyre Size Guide

1 Tyre Width

3.00 indicates that the width of the tyre is (3.00 * 25.4mm = 76.2 millimeters).

For these kinds of nomenclature, it is to be understood that the aspect ratio is 100%. Sidewall height of the tyre is of same size as that of width.

18 indicates the Diameter of the wheel rim.

52 indicates Maximum Load Capacity of the tyre. Please refer Load Index table.

P is the Speed Symbol and it indicates at which speed this tyre can be safely operated. Please refer Speed Symbol table.

GRIPP X3 is the name of the pattern.

Index	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36
kg	80	82.5	85	87.5	90	92.5	95	97.5	100	103	106	109	112	115	118	121	125

Index	37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53
kg	126	132	136	140	145	150	155	160	165	170	175	180	185	190	195	200	206

Index	54	55	56	57	58	59	60	61	62	63	64	65	66	67	68	69
kg	212	218	224	230	236	243	250	257	265	272	280	290	300	307	315	325

Index	70	71	72	73	74	75	76	77	78	79	80	81	82	83	84
kg	335	345	355	365	375	387	400	412	425	437	450	462	475	487	500

Index	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99
kg	515	530	560	580	600	615	630	650	670	690	710	730	750	775	800

Index	100	101	102	103	104	105	106	107	108	109	110	111	112	113
kg	825	850	545	875	900	925	950	975	1,000	1,030	1,060	1,090	1,120	1,150

Index	114	115	116	117	118	119	120	121	122	123	124	125	126
kg	1,180	1,215	1,250	1,285	1,320	1,360	1,400	1,450	1,500	1,550	1,600	1,650	1,700

Index	B	C	D	E	F	G	J	K	L	M	N	P
km/h	50	60	65	70	80	90	100	110	120	130	140	150

Index	Q	R	S	T	U	H	V	(V)	W	(W)	Y
km/h	160	170	180	190	200	210	240	>240	270	>270	300