Here is another iPhone bike mount that lets you take your device with you for a ride with peace of mind. The ROCK BROS Smartphone Bike Bag Mount not only holds your phone but has space for your other items, such as keys, wallets, and even snacks. It protects your belongings in rainy conditions.
This smartphone bag mount comes with a rain cover. It can accommodate iPhone XS, iPhone XS Max, Galaxy S9, and other comparable devices. You can get one of these for under $25 at this time.[where to get it]