mountain bike
all-terrain bike
off-roader

In the mid-1980s it was trendy to ATB (all-terrain bike) up famous mountains.

"What you need is an all-terrain bike," he told me.

These all-terrain bikes, or mountain bikes, first appeared in the 1970's, and now account for three-quarters of all bicycle sales.

The adults' concern with quality and performance has helped American bicycle manufacturers, too - especially makers of all-terrain bikes.

The next ride, on July 30, is for all-terrain bikes only.

That includes 3-speed bikes, 10-speeds, all-terrain bikes and children's bicycles.

By far the biggest sellers are mountain or all-terrain bikes.

At 31 pounds, the bike weighs about the same as a standard all-terrain bike.

Up and down the steps the bouncing bicyclists rode their all-terrain bikes.

He is leaning against a telephone pole, beside Hadley and Joley, pointing to features on an all-terrain bike.