Compatible models and capacity Bicycle Tube Phone Bag for Trek Silke S 6 2017. Capacity 2 liters. Suitable for daily cycling needs. Please check compatibility with your model before . Key features that improve riding experience sensitivity touchscreen, visor, and headphone hole: Transparent TPU touchscreen film lets you operate your phone without removing it from the bag. The visor keeps the screen clearly visible in bright sunlight. Headphone hole provides easy access to audio while riding. Multifunctional design: Two side pockets and a removable phone pocket create a 2in1 solution for phone storage and general items. The phone pocket attaches to the of the bag with Velcro. The bag sits snug against the bike frame to avoid interfering with pedaling. Storage capacity and dimensions Large capacity: Two side pockets measure 17.5 x 4 x 11.3 cm, offering ample space for bike tools, snacks, or other small items. Use scenarios Daily rides and navigation: Keep your phone accessible for GPS, calls, or music. Operate the phone through the bag's touchscreen without removing it, and rely on the visor for screen visibility in sunlight. Long rides or quick repairs: Use the two side pockets for tools and snacks, while the removable phone pocket keeps your device secure and within reach. Sunny or bright conditions: The visor enhances screen readability so you can check maps or messages without glare.