DATASHEET 20" & 22.5" SP321
TYRE SIZE TREAD PATTERN LOAD INDEX / SPEED SYMBOL MAXIMUM LOAD PER AXLE (kg)   MAXIMUM INFLATION PRESSURE   RECOMMENDED RIMS (ins) MIN DUAL SPACING (mm) NEW TYRE INFLATED DIMENSIONS (mm)       REVS PER  
( PATTERN INDEX LOAD   INFLATION   MENDED DUAL MM)       REVS  
      SINGLE DUAL BAR PSI     SECTION WIDTH OVERALL DIAMETER LOADED STATIC RADIUS ROLLING CIRCUMFERENCE km mile
10R22.5 SP321 144/142L 5600 10600 8.50 123 6.75 277 246          
              7.50 286 254 1020 476 3111 321 517
11R22.5 SP321 148/145L 6300 11600 8.50 123 7.50 305 271           OK if green sizes can be deleted  
              8.25 314 279 1050 489 3203 312 502
11R22.5 SP321City 148/145K 6300 11600 8.50 123 7.50 305 271            
              8.25 314 279 1050 489 3203 312 502
    (151/148E)         7.50 305 271          
              8.25 314 279 1050 489 3203 312 502
12R22.5 SP321 152/148M 7100 12600 8.50 123 8.25 329 292          
              9.00 338 300 1084 504 3306 302 487
13R22.5 SP321 156/150L 8000 13400 8.75 127 9.00 350 312          
              9.75 360 320 1124   3428 292 469
12.00R20 SP321 154/149K 7500 13000 8.50 123 B8.5 360 313 1122 515 3422 292 470
              8.50V              
LOAD CAPACITY (KG) PER AXLE--SINGLE/DUAL:INFLATION PRESSURES
TYRE SIZE BAR 5.50 5.75 6.00 6.25 6.50 6.75 7.00 7.25 7.50 7.75 8.00 8.25 8.50 8.75
  PSI 80 84 87 91 94 98 102 106 109 113 116 120 123 127
10R22.5 SINGLE 3950 4100 4240 4380 4520 4660 4790 4930 5070 5200 5330 5470 5600
  DUAL 7480 7750 8020 8290 8550 8810 9080 9330 9590 9840 10100 10350 10600
11R22.5 SINGLE 4450 4610 4770 4930 5080 5240 5390 5550 5700 5850 6000 6150 6300
  DUAL 8190 8490 8780 9070 9360 9650 9930 10210 10490 10770 11050 11330 11600
11R22.5 SINGLE 4450 4610 4770 4930 5080 5240 5390 5550 5700 5850 6000 6150 6300
SP321City DUAL 8190 8490 8780 9070 9360 9650 9930 10210 10490 10770 11050 11330 11600
12R22.5 SINGLE 5010 5190 5370 5550 5730 5900 6080 6250 6420 6590 6760 6930 7100
  DUAL 8890 9220 9540 9850 10170 10480 10790 11090 11400 11700 12000 12300 12600
13R22.5 SINGLE 5520 5720 5920 6110 6310 6500 6690 6880 7070 7260 7450 7630 7820 8000
  DUAL 9240 9580 9910 10240 10560 10890 11210 11530 11850 12160 12470 12780 13090 13400
12.00R20TL SINGLE 5290 5490 5680 5860 6050 6240 6420 6600 6790 6970 7140 7320 7500
  DUAL 9180 9510 9840 10170 10490 10810 11130 11450 11760 12070 12380 12690 13000