1,700 - 3,000 ft elevation / rough trails - fire roads
2,500 -3,500 ft elevation / single track - fire roads
2,500 - 4,000 ft elevation / rough trails - fire roads
3,500 - 6,000 ft elevation / single track - fire roads
3,500 - 5,000 ft elevation / single track - fire roads
4,000 - 6,000 ft elevation / single track - fire roads
6,000 - 8,500 ft elevation / single track - fire roads
6,500 - 8,500 ft elevation / rough trails - fire roads
5,500 - 7,000 ft elevation / rough trails - fire road
5,000 - 6,500 ft elevation / rough trails - fire roads
7,000 - 9,500 ft elevation / single track - fire roads
7,000 - 9,500 ft elevation / single track - fire roads
8,000 - 10,000 ft elevation / rough trails - fire roads
8,500 - 11,700 ft elevation / Like riding on Mars (one can only imagine)