Convoy Modular Bike Carrier - Add-On Unit - Trailer Hitch MountFeatures: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:Finish: Black Powder CoatWeight: 29 lbs.Carrier Type: 4 Bike CarrierMaterial: Steel, Aluminum and PlasticAssembled Dimensions: 57 x 16 x 10Limited Warranty: 5 YearsWARNING: 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.