12.4-32

Sure Grip All Service 121A8 R-1
12.4-32
Technical data
Design Sure Grip All Service
Industry Classification R-1
Tyre size 12.4-32
LI/SS 121A8
FR/DW n/a
PR 8
TL/TT TT
Tyre Width (mm) 286
Overall diameter (mm) 1380
Static Loaded radius (mm) 633
Rolling circumference (mm) 4157
SRI 725
Weight (kg) 52
Nominal Inflation Pressure (bar) 2.2
Maximum Load (kg) 1450
Tread Depth (mm) 33
Recom 'd Rim Width W11
Other approved rims n/a
Load data
Type load (kg) at various inflation pressures (kPa)
Max Speed (Km/h)
Type load (kg) at various inflation pressures (kPa)
0.8bar 1.0bar 1.4bar 1.6bar 1.7bar 1.8bar 1.9bar 2.0bar 2.2bar 2.4bar
0.8bar 40 825 900 1090 1185 1215 1285 1320 1365 1450†
1.0bar 30 920 1000 1210 1320 1350 1430 1470 1520 1610
1.4bar 25 1010 1100 1330 1450 1480 1570 1610 1670 1770
1.6bar 15 1100 1200 1450 1580 1620 1710 1760 1820 1930
1.7bar 10 1240 1350 1640 1780 1820 1930 1980 2050 2180
1.8bar 10cycl 1820 1900 1930 2040 2150 2215 2270 2470

0.8bar

40 km/h 825 kg
30 km/h 920 kg
25 km/h 1010 kg
15 km/h 1100 kg
10 km/h 1240 kg
10cycl km/h n/a

1.0bar

40 km/h 900 kg
30 km/h 1000 kg
25 km/h 1100 kg
15 km/h 1200 kg
10 km/h 1350 kg
10cycl km/h n/a

1.4bar

40 km/h 1090 kg
30 km/h 1210 kg
25 km/h 1330 kg
15 km/h 1450 kg
10 km/h 1640 kg
10cycl km/h 1820 kg

1.6bar

40 km/h 1185 kg
30 km/h 1320 kg
25 km/h 1450 kg
15 km/h 1580 kg
10 km/h 1780 kg
10cycl km/h 1900 kg

1.7bar

40 km/h 1215 kg
30 km/h 1350 kg
25 km/h 1480 kg
15 km/h 1620 kg
10 km/h 1820 kg
10cycl km/h 1930 kg

1.8bar

40 km/h 1285 kg
30 km/h 1430 kg
25 km/h 1570 kg
15 km/h 1710 kg
10 km/h 1930 kg
10cycl km/h 2040 kg

1.9bar

40 km/h 1320 kg
30 km/h 1470 kg
25 km/h 1610 kg
15 km/h 1760 kg
10 km/h 1980 kg
10cycl km/h 2150 kg

2.0bar

40 km/h 1365 kg
30 km/h 1520 kg
25 km/h 1670 kg
15 km/h 1820 kg
10 km/h 2050 kg
10cycl km/h 2215 kg

2.2bar

40 km/h 1450† kg
30 km/h 1610 kg
25 km/h 1770 kg
15 km/h 1930 kg
10 km/h 2180 kg
10cycl km/h 2270 kg

2.4bar

40 km/h n/a
30 km/h n/a
25 km/h n/a
15 km/h n/a
10 km/h n/a
10cycl km/h 2470 kg

† Maximum load at recommended speed and inflation pressure.