Expand the capacity of your SplitRail LS (Part Number: 11404) to a three or four bike carrier. Perfect for when you need to take a few more of your friends or family on your next bike ride! Product Features: Tray can be adjusted 4” side-to-side to avoid bike interference No contact with frame, secures bicycle by front wheel Product Specifications: Compatible with 2” SplitRail & SplitRail LS to expand carrying capacity to 3 bikes (requires one Add-On) or 4 bikes (requires two Add-Ons) Lowers max weight capacity from 60 lbs per bike to 45 lbs per bike. Carries road tires up to 3.0” wide mountain bike tires, and diameters from 20” to 29” Compatible with bicycles’ wheelbases from 34” and 50” Not for use with fender equipped bicycles Rack weight 16 lbs (shipping weight 27 lbs) Includes: Integrated cable lock secures bike to rack NOTE: Each purchase increases the capacity by 1 bike.