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Motorbike load and speed indexes

Load index

The load index is a numerical code that corresponds to the maximum weight a tyre can support. A tyre's load multiplied by 2 must cover the gross single axle load of your vehicle. To determine your load index, locate the number on the sidewall of one of your tyres and compare it with the load index table.

Load index	Weight in kg
20	80
22	85
24	85
26	90
28	100
30	106
31	109
33	115
35	121
37	128
40	136
41	145
42	150
44	160
46	170
47	175
48	180
50	190
51	195
52	200
53	206
54	212

Load index	Weight in kg
55	218
58	236
59	243
60	250
61	257
62	265
63	272
64	280
65	290
66	300
67	307
68	315
69	325
70	335
71	345
72	355
73	365
74	375
75	387
76	400
77	412
78	425

Load index	Weight in kg
79	437
80	450
81	462
82	475
83	487
84	500
85	515
86	530
87	545
88	560
89	580
90	600
91	615
92	630
93	650
94	670
95	690
96	710
97	730
98	750
99	775
100	800

Load index	Weight in kg
101	825
102	850
103	875
104	900
105	925
106	950
107	975
108	1000
109	1030
110	1060
111	1090
112	1120
113	1150
114	1180
115	1215
116	1250
117	1285
118	1320
119	1360
120	1400

Speed index

The speed index is a letter code that corresponds to a tyre's maximum speed. To determine your speed index, locate the letter on the sidewall of one of your tyres and compare it with the speed index table.

Speed index	Speed in km/h
A1	5
A2	10
A3	15
A4	20
A5	25
A6	30
A7	35
A8	40
B	50
C	60

Speed index	Speed in km/h
D	65
E	70
F	80
G	90
J	100
K	110
L	120
M	130
N	140
P	150

Speed index	Speed in km/h
Q	160
R	170
S	180
T	190
U	200
H	210
V	240
ZR	>240
W	270
Y	300

Mounting tyres with a lower speed index than that of the original tyres or than that recommended by the vehicle's manufacturer is prohibited. However, it is completely acceptable to mount tyres with a higher speed index.
Manufacturers calculate these speed indexes using tyres that are in good condition.
The speed indexes were defined for enclosed speedways. Depending on the different speed indexes, tyres warm up less and lose shape less and are more efficient at higher speeds. NB: even though the tyres you mount have capacities which are well over speed limits, no manufacturer recommends the use of tyres at unauthorised speeds.

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Load index	Weight in kg
20	80
22	85
24	85
26	90
28	100
30	106
31	109
33	115
35	121
37	128
40	136
41	145
42	150
44	160
46	170
47	175
48	180
50	190
51	195
52	200
53	206
54	212

Load index	Weight in kg
55	218
58	236
59	243
60	250
61	257
62	265
63	272
64	280
65	290
66	300
67	307
68	315
69	325
70	335
71	345
72	355
73	365
74	375
75	387
76	400
77	412
78	425

Load index	Weight in kg
79	437
80	450
81	462
82	475
83	487
84	500
85	515
86	530
87	545
88	560
89	580
90	600
91	615
92	630
93	650
94	670
95	690
96	710
97	730
98	750
99	775
100	800

Load index	Weight in kg
20	80
22	85
24	85
26	90
28	100
30	106
31	109
33	115
35	121
37	128
40	136
41	145
42	150
44	160
46	170
47	175
48	180
50	190
51	195
52	200
53	206
54	212

Load index	Weight in kg
55	218
58	236
59	243
60	250
61	257
62	265
63	272
64	280
65	290
66	300
67	307
68	315
69	325
70	335
71	345
72	355
73	365
74	375
75	387
76	400
77	412
78	425

Load index	Weight in kg
79	437
80	450
81	462
82	475
83	487
84	500
85	515
86	530
87	545
88	560
89	580
90	600
91	615
92	630
93	650
94	670
95	690
96	710
97	730
98	750
99	775
100	800

Load index	Weight in kg
20	80
22	85
24	85
26	90
28	100
30	106
31	109
33	115
35	121
37	128
40	136
41	145
42	150
44	160
46	170
47	175
48	180
50	190
51	195
52	200
53	206
54	212

Load index	Weight in kg
55	218
58	236
59	243
60	250
61	257
62	265
63	272
64	280
65	290
66	300
67	307
68	315
69	325
70	335
71	345
72	355
73	365
74	375
75	387
76	400
77	412
78	425

Load index	Weight in kg
79	437
80	450
81	462
82	475
83	487
84	500
85	515
86	530
87	545
88	560
89	580
90	600
91	615
92	630
93	650
94	670
95	690
96	710
97	730
98	750
99	775
100	800