Technical Data

Design Optitrac
Industry Classification R-1W
Tyre size 480/70R28
LI/SS 140D
FR/DW
PR NA
TL/TT TL
Tyre Width (mm) 503
Overall diameter (mm) 1421
Static Loaded radius (mm) 636
Rolling circumference (mm) 4241
SRI 675
Weight (kg) 137
Nominal Inflation Pressure (bar) 1.6
Maximum Load (kg) 2500
Tread Depth (mm) 47
Recom 'd Rim Width W15L
Other approved rims W14L, W16L

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
1360
50 km/h
40 km/h
30 km/h
1565
10 cycl km/h
10 km/h
2040
80kPa
70 km/h
1455
65 km/h
1600
50 km/h
1680
40 km/h
1750
30 km/h
1840
10 cycl km/h
10 km/h
2400
120kPa
70 km/h
2370
65 km/h
2606
50 km/h
2735
40 km/h
2855
30 km/h
2995
10 cycl km/h
3330
10 km/h
3910
140kPa
70 km/h
2095
65 km/h
2300
50 km/h
2415
40 km/h
2520
30 km/h
2645
10 cycl km/h
3555
10 km/h
3450
160kPa
70 km/h
2275
65 km/h
2500*
50 km/h
2625
40 km/h
2740
30 km/h
2875
10 cycl km/h
3785
10 km/h
3750
200kPa
70 km/h
65 km/h
50 km/h
40 km/h
30 km/h
10 cycl km/h
4250
10 km/h

*Maximum load at recommended speed and inflation pressure.