WHEEL HOLDER SUPPORT TUBE (EACH): LONG WHEELBASE, X-SPEC four bike rack A minimum class 3 trailer

A minimum class 3 trailer hitch is required to use this bike rack

5 Bike Replacement Parts

* *  The SR1 rack now includes standard bolts as well as longer bolts for wider tires

a keyed alike locking hitch pin

WHEEL HOLDER SUPPORT TUBE (EACH): LONG WHEELBASE, X-SPEC four bike rack A minimum class 3 trailerThese can be used on X Spec Sport Riders and Trail Rider racks, and come stock on HR1000R, HR1450R and HRT220 models. Two of these support tubes will accommodate a bicycle up to a 72 wheelbase X spec is for racks that were sold between 2007 2016 The support tube is square 1. 25" x 1. 25" Distance between holes: 1. 75" 32" length Sold as a single If you're not sure what spec you have, please send a photo of your rack to info@hollywoodracks. com