Applicable models Bicycle Tube Phone Bag for Trek Superfly 5 2017. Capacity 2 liters. Please verify compatibility with your model before . sensitivity touchscreen, visor, and headphone hole Transparent TPU touchscreen film allows you to operate your phone while it is inside the bag. The visor keeps the phone screen clearly visible in bright sunlight, and there is a headphone hole for listening without removing the phone. Multifunctional design This bike frame bag features two side pockets and a removable phone pocket. The phone pocket attaches to the of the bag with Velcro, providing a 2in1 solution for phone storage and general storage. The bag sits snugly against the bike frame to avoid interfering with pedaling. Large capacity and organization Two side pockets measure 17.5 x 4 x 11.3 cm, offering ample storage space for tools, snacks, or other small items. The overall capacity is 2 liters, supporting everyday cycling needs. Practical use scenarios Daily commuting: keep your phone accessible for GPS navigation and quick calls without stopping. Longer rides or weekend outings: store tools and snacks in the side pockets, while keeping the phone pocket handy. Quick or routine maintenance: organize small parts and accessories within easy reach, without removing the bag from the frame.