Description Get ready for an adventure! The Rear Rack allow riders to carry gear, use pannier bags, and remove weight from their backs by mounting them on the bike. Designed to complement the HovAlpha Step-Over, but is incompatible with all other HOVSCO Electric bicycles. Feature Includes all the hardware required for mounting. Specs HovBeta: Dimensions ( LxWxD ): 420mm*204mm*250mm ( 16.54" x 8.03" x 9.84" )Diameter: 16mm*T2.0 ( 0.63"*T2.0 )