Abstract: A bicycle rack for supporting bicycles of different sizes in an upright position to permit viewing by a retail store customer with the bicycle rack having a frame with a plurality of tire channels locate on the frame, with the tire channels having sidewall for laterally restraining a bicycle tire therein and a first fixed wheel stop located in the channel for preventing movement of a bicycle in one direction along the channel and a movable wheel stop positionable along the channel with the movable wheel stop having a hand lever with a cam for engaging the movable wheel stop with the tire channel to secure the movable wheel stop to the channel with the hand lever disengageable or engageable without the aid of tools to permit a user to remove a bicycle from the rack, place a bicycle in the bicycle rack or reposition the movable wheel stop to accommodate a bicycle of different length by sliding the movable wheel stop to a different position on the channel and then locking the movable wheel stop in position by en