1 |
Easy |
Dirt and/or rocky road. Potential rocks and/or tree stumps less than 5" tall and/or vertical ledges less than 5" tall and/or near vertical ledges or waterfalls less than 6" inches. Good tire placement likely. Can be steep, but with good traction. |
2
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Easy
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Dirt and/or rocky road. Potential rocks and/or tree stumps less than 8" tall and/or vertical ledges less than 9" tall and/or near vertical ledges or waterfalls less than 12" inches. Good tire placement likely. Can be steep but with good traction.
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3
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Moderate
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Typically, more rock or undulated road surface. Potential rocks and/or tree stumps less than 12" tall and/or vertical ledges less than 12" tall and/or near vertical ledges or waterfalls less than 24" inches. Tire placement becomes more difficult. Can be steep.
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4
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Moderate
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Typically, more rock or undulated road surface. Potential rocks and/or tree stumps less than 18" tall and/or vertical ledges less than 18" tall and/or near vertical ledges or waterfalls less than 36" inches. Tire placement becomes more difficult. Can be steep and off-camber.
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5 |
Difficult |
Rocky or undulated road surface. Potential rocks and/or tree stumps less than 24" tall and/or vertical ledges less than 24" tall and/or near vertical ledges or waterfalls less than 54" inches. Tire placement becomes more difficult. Can be steep and off-camber.
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6
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Difficult |
Rocky or undulated road surface. Potential rocks less than 36" tall and/or vertical ledges less than 36" tall and/or near vertical ledges or waterfalls less than 84" inches. Tire placement becomes more difficult. Can be steep and off-camber.
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7 |
Severe |
Rocky or undulated road surface. Rocks and less than 54" tall and/or vertical ledges less than 54" tall and/or near vertical ledges or waterfalls less than 10' foot. Tire placement not good. Can be steep and off-camber.
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8
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Severe |
Rocky or undulated road surface. Rocks less than 84" tall and/or vertical ledges less than 72" tall and/or near vertical ledges or waterfalls less than 14' foot. Tire placement not good. Can be steep and off-camber.
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9 |
Extreme |
Rocky or undulated road surface. Rocks less than 10' tall. Vertical ledges less than 8' tall and/or near vertical ledges or waterfalls less than 18' foot. Tire placement not good. Extreme steep and off-camber.
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10
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Extreme |
Rocky or undulated road surface. Rocks more than 10' tall. Vertical ledges more than 8' tall and/or near vertical ledges or waterfalls more than 18' foot. Poor tire placement. Extreme steepness and/or off-camber.
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