Saris Superclamp G3Superclamp G3 2 bikes up to 60 lb each, Superclamp G3 4 bike 60 lb bike in trays closest to vehicle; 35 lb bike for second two trays This rack fits a wheelbase of up to 50 Two shepherd's hooks hold bike by top of both wheels does not touch the frame of the bike. Adjustable arms and wheel trays fit almost any type of bicycle, including those with fenders, mountain bikes and ebikes; bike spacing accommodates widest combination of bicycles Integrated