| 摘要 |
Universal wheel unit for mounting one or more wheels on the ski of a snowmobile. The wheel unit is a separate assembly that is detachably mountable on the ski or is an integral component of the ski. When retrofitting skis, the wheel unit is mountable on the kingping, on the side wall, or on the saddle. Wheels are readily deployable or retractable as ground surface conditions require, and allow the snowmobile to be driven over gravel, dirt, and hardtop surfaces, while maintaining steerability with the handlebars.
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