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

Abstract: A new and improved overhead package retrieval system, including a series of C-shaped tracks which are mounted onto storage shelf units, a platform that has rollers that fit within these C-shaped tracks and allow the platform to move, a special jointed retractable axle system which allows the platform to move along the tracks even if they are not completely parallel, a fold-up ladder for a user to get from ground to platform level, a special brake that operates when fold-up ladder is down to prevent movement of the platform, a package platform that allows a user to easily move packages from the platform to the ground, and a series of guard rails and hand rails to make the overhead package retrieval system safe.