Kuat Piston Pro Add On Dual Ratchet Platform Rack - 1 Bike - Sandy Black   The Kuat Piston Pro X 1 Bike Add-on increases the capacity of your Piston Pro X 2 Bike Hitch Rack to carry up to 3 bikes. Compatible with 2" version of the Piston Pro X only. Features 1-Bike Add-On increases 2" Piston Pro X carrying capacity to 3 bicycles weighing up to 50 pounds each Quick change from 2 to 3 bikes Compatible with 2" Piston Pro X only Compatible with Pivot v2 when used with Piston Pro X 2 Bike 2" Compatible with e-bike ramp Only one add-on can be used at a time Specifications Weight Capacity(Total): 50 lbs. Weight Capacity(Per bike): 50 lbs. Distance between bikes: 10.5" Tire size range: 18" to 29" Max wheel base: 53" Max wheel base with fender kit: 45" Max tire width: 5" For use with Kuat Piston 2" Only Product Weight: 26 lbs. Packaged Weight: 33 lbs.