The ROCKBROS Hard-Shell Bike Top Tube Phone Bag is a rugged, waterproof EVA holder designed for cyclists who want quick, safe access to their phone on every ride. Its reinforced 3D hard-shell with a TPU touchscreen window protects your device while you navigate, call, or stream maps without stopping.

• Hard-Shell EVA 3D design: Durable EVA construction with a 3D die-casting process and carbon fiber exterior resists deformation and abrasion; easy to wipe clean with a wet cloth.
• Waterproof & shockproof construction: Carbon fiber-pattern fabric with sealed waterproof zippers and a sturdy shell keeps your phone, keys, and wallet secure and protected from rain and bumps.
• High-sensitivity TPU touchscreen window: Use GPS navigation, maps, or calls on the go without removing your phone; includes a hidden earphone hole for hands-free music or conversations.
• Secure mounting & quick access: Top-tube mount with a hook-and-loop strap ensures stable placement and easy access to your device and essentials during rides.
• Large capacity with organized storage: Spacious interior fits phones, sunglasses, power banks, gloves, and a mini repair kit; dual mesh compartments keep items neatly organized.
• Wide compatibility: Fits most phones under 6.5 inches, including iPhone 5–11 and Samsung Galaxy S7–S8/Note 7, making it ideal for a wide range of devices.

With this bag, you gain reliable protection against moisture and impacts, hands-free navigation, and a tidy stash for essentials. The waterproof shell and shake-resistant design keep your gear secure on rough trails, while the TPU window lets you stay connected without stopping. Whether you’re tackling gravel rides, urban commutes, or weekend adventures, this top-tube bag keeps what you need within easy reach.