Forget skis, bring your mountain bike and a KtraK kit to the slopes this winter. With a ski that replaces the front wheel and a rear traction system mounting over the rear tire, your bike instantly becomes a human-powered snowmobile.
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Best of all, the kit is so easy to install that no tools are necessary, it’s made from reinforced nylon and sealed bearings for extra durability. The entire kit only adds an additional 5-pounds to the frame, so you won’t have to worry about it hindering performance on the slopes.
Source: YouTube