Technical Data

Design Optitrac
Industry Classification R-1W
Tyre size 440/65R28
LI/SS 131D
FR/DW
PR NA
TL/TT TL
Tyre Width (mm) 422
Overall diameter (mm) 1280
Static Loaded radius (mm) 588
Rolling circumference (mm) 3890
SRI 625
Weight (kg) 82
Nominal Inflation Pressure (bar) 1.6
Maximum Load (kg) 1950
Tread Depth (mm) 44
Recom 'd Rim Width W14L
Other approved rims W13, W14L, W15L

Load Data

Max Speed (Km/h)
70
65
50
40
30
10 cycl
10
Type load (kg) at various inflation pressures (kPa)
60kPa
70 km/h
65 km/h
50 km/h
40 km/h
30 km/h
1255
10 cycl km/h
10 km/h
1635
80kPa
70 km/h
1170
65 km/h
1285
50 km/h
1350
40 km/h
1405
30 km/h
1480
10 cycl km/h
10 km/h
1930
100kPa
70 km/h
1320
65 km/h
1450
50 km/h
1525
40 km/h
1590
30 km/h
1665
10 cycl km/h
2185
10 km/h
2175
120kPa
70 km/h
1500
65 km/h
1650
50 km/h
1735
40 km/h
1805
30 km/h
1895
10 cycl km/h
2595
10 km/h
2475
140kPa
70 km/h
1640
65 km/h
1800
50 km/h
1890
40 km/h
1970
30 km/h
2070
10 cycl km/h
2775
10 km/h
2700
160kPa
70 km/h
1775
65 km/h
1950*
50 km/h
2050
40 km/h
2135
30 km/h
2245
10 cycl km/h
2955
10 km/h
2925
180kPa
70 km/h
65 km/h
50 km/h
40 km/h
30 km/h
10 cycl km/h
3135
10 km/h
200kPa
70 km/h
65 km/h
50 km/h
40 km/h
30 km/h
10 cycl km/h
3315
10 km/h

*Maximum load at recommended speed and inflation pressure.