Low weight; aerodynamics and functional - that''s what matters on a racing / bicycle.The Handlebar Mount allows you to aerodynamically attach your SP ConnectTM Phone Case to the handlebars and; thanks to interchangeable brackets; you can also mount your SP ConnectTM light or GoPro®. Ypur phone is ready for action-packed days in the saddle. - Stable handlebar mount for racing / road bikes - Attachment of smartphone; light or action cam - GoPro compatible - Out front mount - For diameters: Standard ISO 1" (25.4mm); Oversized MTB and Drop bar 1-1/4" (31.8mm) includes: 1 x Handlebar Mount 1 x GoPro Adapter 1 x MicroRail Swivel Adapter 1 x Quick screw 1 x Allen key