{"product_id":"rockbros-oversized-eva-bike-top-tube-bag-waterproof-1-7l-phone-bag-with-tpu-touch-window","title":"ROCKBROS Oversized EVA Bike Top Tube Bag — Waterproof 1.7L Phone Bag with TPU Touch Window","description":"\u003cp\u003e\u003cstrong\u003eROCKBROS Oversized EVA Bike Top Tube Bag is a rigid, waterproof top-tube phone bag with a high-sensitivity TPU touchscreen window and a 1.7L capacity for secure storage on every ride.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact but spacious cycling bag mounts on the top tube to keep your phone, keys, and small essentials within reach. Built from a die-cast hard EVA shell and high-density polyester with seamless waterproof zippers, it protects devices from impacts, dirt, and light rain while enabling on-the-go navigation through the clear TPU screen. The bag arrives with adjustable straps and a rain cover, designed to work across most frame types so you can install and remove it quickly without measuring your frame.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this bag keep my phone safe on rough trails?\u003c\/h3\u003e\n\u003cp\u003eThe bag uses a 3D hard EVA shell that resists abrasion and keeps its shape under pressure, offering a rigid layer of protection against bumps and scrapes. Inside, an internal fastening strap holds the phone steady so it won’t slide during vibration, and the sealed seams plus dual waterproof zippers reduce water ingress.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRigid die-cast EVA outer protects against impacts and deformation\u003c\/li\u003e\n  \u003cli\u003eInternal fastener secures phones during rough terrain\u003c\/li\u003e\n  \u003cli\u003eSeamless waterproof construction and included rain cover for bad weather\u003c\/li\u003e\n  \u003cli\u003eEasy-to-clean surface resists dirt and grime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill my phone’s touchscreen still work while it’s in the bag?\u003c\/h3\u003e\n\u003cp\u003eYes — the bag features a high-sensitivity TPU touch window that lets you operate navigation, answer calls, and interact with maps without removing the device. The clear panel maintains strong touch responsiveness while shielding the screen from dust and splashes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-sensitivity TPU panel supports swipes, taps, and map apps\u003c\/li\u003e\n  \u003cli\u003eHidden earphone port for wired audio or microphone access\u003c\/li\u003e\n  \u003cli\u003eCompatible with phones up to 7.2 inches, including many thick cases\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the bag fit different bikes and stay secure?\u003c\/h3\u003e\n\u003cp\u003eThree extra-long adjustable straps provide a universal fit for most frame geometries without the need for precise measurements. The straps wrap around the top tube and the head tube area, delivering stable fixation that prevents rotation and reduces bounce.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThree long straps for versatile mounting on various frames\u003c\/li\u003e\n  \u003cli\u003eQuick-install system for fast on\/off when needed\u003c\/li\u003e\n  \u003cli\u003eStable attachment designed to handle off-road vibration and jumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow much can it carry, and are there storage compartments?\u003c\/h3\u003e\n\u003cp\u003eThis oversized top-tube bag offers about 1.7 liters of internal volume—larger than many standard 1.3L models—so it holds a phone, power bank, snacks, keys, and small tools. Dual mesh side pockets add quick-access storage for items like energy gels or a compact multitool.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1.7L capacity fits daily essentials and larger phones\u003c\/li\u003e\n  \u003cli\u003eDual side mesh pockets for small quick-grab items\u003c\/li\u003e\n  \u003cli\u003eNote: larger volume can occasionally contact the leg while pedaling on some bikes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Cyclists who want a durable, weather-resistant top-tube bag that keeps a phone accessible and protected while riding. It suits commuters, gravel riders, and weekend adventurers who need a stable mount, touchscreen access, and extra storage without a bulky saddle pack. If you ride in mixed conditions or carry delicate electronics, this ROCKBROS bag is a practical, easy-to-use solution.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will my phone fit with a thick case?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The bag fits phones up to 7.2 inches, including many phones with bulky protective cases.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the bag waterproof in heavy rain?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The seamless polyester, dual waterproof zippers and included rain cover provide strong protection against rain, though full submersion is not recommended.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ROCKBROS","offers":[{"title":"Default Title","offer_id":59355623850332,"sku":"B08GHPF5KB","price":49.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5604\/9244\/files\/rockbros-top-tube-front-view_d0c10ea6-c96f-450b-b866-3b5a59780999.jpg?v=1791152037","url":"https:\/\/sportium.co.uk\/products\/rockbros-oversized-eva-bike-top-tube-bag-waterproof-1-7l-phone-bag-with-tpu-touch-window","provider":"Sportium Sports And Outdoors","version":"1.0","type":"link"}