Bicycle Tube Phone Bag for Trek Madone 2.1 2014 Capacity: 2 liters. Please check if the product fits your model before . Key benefits Compatibility: designed for Trek Madone 2.1 2014 models to fit securely on the tube without interfering with pedaling. Easy access while riding: clear, sensitivity TPU touchscreen allows phone operation without removing the device. Sun visibility: visor keeps the screen readable in bright sunlight. Hands audio: builtin headphone hole for listening to music or calls while riding. Flexible storage: includes two side pockets plus a removable phone pocket for a 2in1 storage solution. Secure and simple to use: phone pocket attaches to the of the bag with Velcro for quick access and removal. Sleek fit: the bag sits snugly against the bike frame to prevent movement and avoid pedal interference. What makes it functional sensitivity touchscreen window lets you swipe and view maps without taking out your phone. Visor reduces glare and maintains screen clarity during outdoor riding. Headphone port enables audio playback without exposing the phone. Storage and capacity Large capacity with two side pockets measuring 17.5 x 4 x 11.3 cm. Ample space for bike tools, snacks, and other small items, all within easy reach. Use scenarios Daily commuting: keep your phone accessible for navigation or calls, with tools and snacks stored in the side pockets. Weekend or long rides: carry essential tools and snacks while still having quick access to your phone for maps or music. Training rides: listen to audio cues or music through the headphone hole while keeping the phone securely in the bag. Specifications at a glance Applicable models: Trek Madone 2.1 (2014) Capacity: 2 liters Material and construction: transparent TPU touchscreen film with visor; Velcroattached removable phone pocket Dimensions (side pockets): 17.5 x 4 x 11.3 cm per pocket Mounting: bag secures to tube, designed to avoid interference with pedaling Note: Please verify compatibility with your specific bike frame before to ensure proper fit.