Bike holding features are the same as the Sport Rider SE2. Connects easily by simply sliding the add-on kit into the base unit, insert the attachment pin & clip, then tighten the lever. Specifications Capacity: Two Bikes (Max. 50 lbs per bike) Fits HR1450Z Includes patented “ No-Wobble Hitch System " Maximum bike wheelbase: 60” Locking frame clamps Insert tube is 1-3/4" x 1-3/4" Cannot be used by itself. Must be used connected to the Sport Rider SE2 rack Space between bikes: 10” Rack Weight: 37.50 lbs . Not to be used on front hitches Not to be used on any trailer, fifth wheel or towed vehicle Installation Installation Video 2019 - 2022 Installation Instructions 2019 - 2022 Replacement Parts 2019 - 2022 Replacement Parts 2016 - 2018 Replacement Parts