Bicycle Tube Phone Bag for Trek xcaliber 8 2019 Applicable models and capacity Designed for Trek xcaliber 8 2019. Capacity 2 liters. Please check if the product fits your model before . sensitivity touchscreen, visor, and headphone hole Transparent sensitivity TPU touchscreen film enables phone operation while inside the bag. The visor keeps the screen clearly visible even under strong sunlight. Includes a headphone hole for listening while riding. Multifunctional storage Two side pockets plus a removable phone pocket provide a 2in1 solution for phone storage and general items. The phone pocket is securely attached to the of the bag with Velcro. The bag fits snugly against the bike frame to avoid interfering with your pedaling. Large capacity Two side pockets measure 17.5 x 4 x 11.3 cm, offering ample storage space for bike tools, snacks, or other small items. Use scenarios Daily commuting: Keep your phone accessible for navigation and calls, with the screen visible through the visor, while storing tools or snacks in the side pockets. Long rides or trips: Carry essential bike tools and small items in the side pockets, with the phone securely stored in the removable pocket for quick access. Training or quick repairs: The snug frame fit minimizes interference with pedaling, allowing you to reach for tools or the phone as needed without shifting position.