Bike tray add-on for MTR 1-bike or 2-bike tray-style hitch rack Bike tray add-on for MTR 1-bike or 2-bike tray-style hitch rack Hauls bikes up to 60 lb if used as first two trays closest to vehicle; or up to 35 lb if used as third or fourth tray Adjustable wheel block to accommodate wheel sizes from 20 inches up to 29 inches and tire sizes as wide as 5 inches Nesting wheel trays speed up bike loading and unloading process Integrated locking cable secures bikes to the rack