Technical Data
| Design | Optitrac |
|---|---|
| Industry Classification | R-1W |
| Tyre size | 420/85R28 |
| LI/SS | 139D |
| FR/DW | |
| PR | NA |
| TL/TT | TL |
| Tyre Width (mm) | 421 |
| Overall diameter (mm) | 1406 |
| Static Loaded radius (mm) | 620 |
|---|---|
| Rolling circumference (mm) | 4207 |
| SRI | 675 |
| Weight (kg) | 108 |
| Nominal Inflation Pressure (bar) | 1.6 |
| Maximum Load (kg) | 2430 |
| Tread Depth (mm) | 48 |
| Recom 'd Rim Width | W13 |
| Other approved rims | W12, 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
1320
50 km/h
40 km/h
30 km/h
1520
10 cycl km/h
10 km/h
1980
80kPa
70 km/h
1415
65 km/h
1550
50 km/h
1630
40 km/h
1695
30 km/h
1780
10 cycl km/h
10 km/h
2325
100kPa
70 km/h
1600
65 km/h
1750
50 km/h
1840
40 km/h
1915
30 km/h
2010
10 cycl km/h
2635
10 km/h
2625
120kPa
70 km/h
1830
65 km/h
2000
50 km/h
2100
40 km/h
2190
30 km/h
2300
10 cycl km/h
3235
10 km/h
3000
140kPa
70 km/h
2045
65 km/h
2240
50 km/h
2350
40 km/h
2455
30 km/h
2575
10 cycl km/h
3455
10 km/h
3360
160kPa
70 km/h
2220
65 km/h
2430*
50 km/h
2550
40 km/h
2660
30 km/h
2795
10 cycl km/h
3680
10 km/h
3645
180kPa
70 km/h
65 km/h
50 km/h
40 km/h
30 km/h
10 cycl km/h
3905
10 km/h
200kPa
70 km/h
65 km/h
50 km/h
40 km/h
30 km/h
10 cycl km/h
4130
10 km/h
*Maximum load at recommended speed and inflation pressure.