The E-SPEC is a hitch-mounted platform rack that is RV Approved and designed especially to carry heavier e-bikes. It can be used on RVs and Motorhomes (with the provided RV bolt) as well as cars and trucks. It carries one or two bikes weighing up to 70lbs each. It fits most frame sizes and shapes and accommodates tires up to 3” wide and wheels that are 20” to 29” in diameter. A locking threaded hitch pin secures the rack to your vehicle while the locking ratchet hooks lock your precious bikes to the rack. Carries up to two bikes with a maximum weight capacity of 70lbs per bike. Carries up to two bikes with a maximum weight capacity of 70lbs per bike. Fits wheels 20” to 29” in diameter. Locking threaded hitch pin and locking ratchet hooks. Fits Class 3, 2” hitch receivers.