1.7L Large capacity:Having stuff in your pocket while biking might not be the best thing to do. You should need a bicycle frame bag with easy access to keep your phone, maps, key, wallet, and tools, e.t.c
Customer-oriented design: easy-to-install and remove. The high sensitive TPU film window allows you easy access to your phone while riding your bike for GPS, changing music, or receiving calls. It also has a hidden tiny hole at the bottom that allows the use of your earphones while cycling. To ensure safety, it has three adjustable velcro straps for easy and secure mounting.
Water-resistant & durable performance: Built with an ultralight carbon fiber material to reduce the weight on the frame. With durable carbon material and double sealed zippers, ensuring that your things are safe from extreme weather conditions.