Difference Between 2in and 1-1/4in Ebike Rack MountThe 2-inch rack mount, with up to 500 lbs capacity, provides enhanced stability and durability, perfect for heavy-duty and multiple ebikes. The 1-1/4-inch mount, supporting up to 200 lbs, is compact, lightweight, and cost-effective, ideal for smaller vehicles. Choose based on ebike weight, vehicle type, and intended use.