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Dunlop Tire Tips

To find out more about our tips on Safety Tips for the Off-Road Motorcyclist, click here.


MX/Off-Road
GEOMAX-MX31
GEOMAX-MX31 close up 
Soft/Mud Terrain
  • The Geomax MX31 features Dunlop’s new patented “chiseled” shoulder block shape. A taper in the block creates a smaller point on top that allows the knob to penetrate through the ground’s soft surface layer and grab the firmer ground beneath. By burrowing into firmer substrate, the knobs gain traction instead of floating on the surface.

  • Limited block surface creates a more open pattern for enhanced penetration in soft dirt/sand to contact harder ground for increased traction.


  • Chiseled shoulder block shape improves side traction and makes traversing ruts easier. This tapered shape facilitates knob penetration through soft surfaces, whereas a flat knob would ”float” and/or be deflected. Instead, the tapered knob penetrates into the firmer underlying ground to give the tire more bite for more traction.

  • Recess design in the area between tread blocks gives the tire improved compliance for enhanced ride comfort.

  • Knobs are placed in a unique linked shoulder block design for better traction and grip in soft-to-intermediate riding conditions.
  • Successor to the D773.

  • Available in first quarter 2009.

 SIZE LOAD/ SPEED INDEX SIDEWALL PART # APPLICABLE RIMS
RECOMMENDED RIM
OVERALL DIAMETER OVERALL WIDTH FULL TREAD DEPTH MAXIMUM LOAD @ PSI
  GEOMAX MX31 FRONT
 2.50-10  33J    32SE66  1.50  15.35  2.80  10/32  
 2.50-12  39J    32SE67  1.50  17.20  2.83  10/32  
 60/100-14  30M    32SE64  1.40  19.06  2.80  12/32  
 70/100-17  40M    32SE60  1.40  22.91  3.27  14/32  
 70/100-19  42M    32SE62  1.40  24.88  3.27  14/32  
 80/100-21  51M    32SE55  1.60  27.91  3.70  15/32  
  GEOMAX MX31 REAR
 2.75-10  38J    32SE68  1.50  15.39  2.95  12/32  
 80/100-12  41M    32SE65  1.60  18.46  3.66  16/32  
 90/100-14  49M    32SE61  1.60  21.61  4.09  17/32  
 90/100-16  52M    32SE63  1.85  23.46  4.13  17/32  
 110/90-18  61M    32SE58  1.85  26.14  4.84  21/32  
 120/90-18  65M    32SE59  2.15  26.77  5.24  21/32  
 110/80-19  59M    32SE56  1.85  26.77  5.00  21/32  
 120/80-19  63M    32SE57  2.15  27.36  5.31  21/32  

Follow Dunlop Tire Application Guide. For general motorcycle tire service information and important safety guidelines click here. You may also contact Dunlop directly at (800) 845-8378 or fill out our contact form.


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