A phone holder mounted to the bicycle stem. It facilitates the use of a smartphone while driving. The ultra-light structure does not disturb the vehicle's aerodynamics. The set can be used for any mobile device - thanks to the use of 3M double-sided adhesive tape from the VHB series with high bond strength and resistance to high temperatures, the product can be glued to any smartphone or case. The 360-degree rotation allows you to optimize your viewing, while the easy locking system ensures a secure grip and stability while driving. Thanks to the use of carbon glass, the product is ultra-light and does not disturb the aerodynamics of the two-wheeler.