Applicable Models Bicycle Tube Phone Bag designed for Trek Fuel EX 4 2013. Capacity 2 liters to meet daily cycling needs. Please check compatibility with your model before . sensitivity Touchscreen, Visor, and Headphone Hole The clear TPU touchscreen film allows you to operate your phone while it sits inside the bag. A visor keeps the screen clearly visible, even in strong sunlight. A headphone hole provides convenient audio access without removing the phone. Multifunctional Design This bike frame bag includes two side pockets and a removable phone pocket. The phone pocket attaches to the of the bag with Velcro for easy removal when needed. The overall bag sits snugly against the bike frame to avoid interference with pedaling. Large Capacity and Organization Two side pockets measure 17.5 x 4 x 11.3 cm, delivering ample storage space for small items. The design accommodates bike tools, snacks, or other essentials for a convenient onride setup. Use scenarios Daily commutes: keep your phone accessible for navigation and calls, along with compact tools and a few snacks, without hindering your ride. Long rides or weekend trips: use the two side pockets for tools and snacks, while the removable phone pocket provides quick access to your phone when needed. Sunny or bright conditions: the visor maintains screen visibility while you monitor maps or messages.