Maxxcross SI

The Maxxcross SI is a go-to tire for our GNCC and WORCS pros, and you will be equally impressed by its performance and longevity.

  • Race-proven rubber compound delivers excellent traction in soft/intermediate conditions on the motocross track or off-road
  • Anti-flex knob bridges on side lugs offer solid straight-line stability and enhance grip for aggressive cornering
  • Developed in the Grand National Cross Country series
  • Perfect tire for any intermediate, loamy or muddy terrain

Developed and tested at the Grand National Cross Country Series, the SI's race-proven tire compound delivers excellent traction in soft/intermediate conditions. Its anti-flex knob bridges on side lugs offer solid straight-line stability.… Developed and tested at the Grand National Cross Country Series, the SI's race-proven tire compound delivers excellent traction in soft/intermediate conditions. Its anti-flex knob bridges on side lugs offer solid straight-line stability. It also features enhanced grip to allow for aggressive cornering. The SI is proof that Maxxis takes performance and durability to a whole new level. SHOW MORE

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Specifications

Size Load Speed Rating Position Overall Diameter (in) Section Width (in) Tread Depth (in)
Rim Size (in) 10
2.50-10 33J TT Front 15.4 3 11/32
2.75-10 38J TT Rear 15.5 3 11/32
Rim Size (in) 12
2.50-12 42J TT Front 16.8 2.7 9/32
80/100-12 41M TT Rear 18.4 3.7 15/32
Rim Size (in) 14
60/100-14 30M TT Front 19.1 2.9 12/32
90/100-14 49M TT Rear 21.4 4.1 17/32
Rim Size (in) 16
90/100-16 52M TT Rear 23.5 4.3 16/32
Rim Size (in) 17
70/100-17 40M TT Front 23 3.3 14/32
Rim Size (in) 18
100/100-18 59M TT Rear 26.4 4.7 21/32
110/100-18 64M TT Rear 27 5 21/32
120/100-18 68M TT Rear 27.4 5.4 21/32
Rim Size (in) 19
100/90-19 57M TT Rear 26.8 4.7 21/32
110/80-19 59M TT Rear 26.5 4.9 21/32
110/90-19 62M TT Rear 27.2 5 21/32
120/80-19 63M TT Rear 27.3 5.1 21/32
120/90-19 66M TT Rear 28 5.3 21/32
70/100-19 42M TT Front 24.9 3.3 12/32
Rim Size (in) 21
80/100-21 51M TT Front 27.9 3.8 15/32
90/100-21 57M TT Front 28.1 3.9 15/32

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