Image for Trail Bike | Trail Bike at Open Dictionary of English by LearnThat Foundation

Trail bike.
Source: Trail_biker_up_close_-_geograph.org.uk_-_1003167.jpg on wikimedia commons. http://en.wiktionary.org/wiki/File:Trail_biker_up_close_-_geograph.org.uk_-_1003167_cropped.jpg
Author: Dave Croker