An overview of Bikesdirect.com Gravity BUllseye. the cheapest fat tire bike on their website @ $399 delivered. Overall its a decent bike. hard to recommend either way with this one. Components seem decent, entry level definitely, but good enough for light duty trails and general exploring. I should have let some air out of the tires in hindsight to act of a more suspension.tires are 26″x3.0, frame is 18″, im 6′ 180lbs hazel eyes.