fat tire bikes

en.wikipedia.org

Fatter-tired bikes are popping up on winter recreational trails and a DNR spokesperson says to keep in mind legalities and safety.

The bikes have ultra-wide tires for traction. Brigit Brown, state trails coordinator for the DNR, says this has led to concern over potential collisions between snowmobilers and the slower bikes. Brown says on the bikes are legal on state-owned linear trails, but can't operate on snowmobile trails not owned by the state...