Convoy Bike Carrier - Trailer Hitch Mount - 1-1/4 Base Unit*Can be made to carry 2-Bikes by adding Add-on-Unit Rola Part Number(59310)*Features:Holds bikes with up to 48 wheel baseHolds bikes with 20 -29 wheelsHolds bikes with tires up to 5 wideBikes are spaced apart by 10.5 bike from bike to bikeSpecifications:Warranty: Limited 5 Year WarrantyFinish: Black Powder CoatPackage Type: Box w/LabelSAE Class: HitchAccesBar Size: 2Assembled Dimensions: 57 x 31 x 17Material: Steel, aluminum and plasticReceiver Size: 1-1/4WARNING: This product can expose you to chemicals including benzene which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.