1.Packing Loading:54.0*32.2*14.7cm 2.NW/GW:7.5/8.5kg 3.Loading Capacity:1000sets/20' 4.Capacity(kg) 75kg Product Description:*Carrier 2 bikes *Fit for 2 inch ball *Arms can be folded up when noy in use *Tube size is 50x3mm*MOQ:200pcs OneFeng high-class Two Bike Ball Mounted Bike Rack