The Compit Stem mobile phone holder for stem mounting offers an integrated, minimalistic, and straightforward solution for securely holding your mobile phone, even in the most challenging off-road conditions. This high-quality smartphone holder is designed to be mounted beneath the existing ahead cap on the handlebar stem, ensuring a firm and stable grip. Ideal for cyclists, the Compit Stem holder includes a waterproof smartphone case that fits all common smartphones, allowing for easy attachment with a simple twist. The transparent window of the case allows for seamless touch screen operation, while the additional pocket provides extra space for essentials like keys, money, and a power bank for wireless charging on the go. For stem mounting Includes a waterproof mobile phone case Bayonet fastening Horizontal and vertical mounting Adjustable angle Includes mounting material Compatibility Stem diameter: 22.2, 25.4, 31.8 or 35 mm Max stem width: 80 mm Materials Plastic, polyester