RAM Phone Mount B Ball Suction 114mm Max Width (109278)

The RAM-B-166-C-UN10U consists of a 83mm diameter suction cup twist lock base, LONG length double socket arm and universal spring loaded X-Grip® cradle for large phones and tablets. The suction cup, twist lock base is designed to have a strong hold on glass and non-porous plastic surfaces, including RAM adhesive disks. Designed into the mount is a B size 25mm diameter patented rubber ball and socket system with adjustment points at both ends of the socket arm; this with a twist of the arm knob, allows you to move the mount to your optimum viewing position.
The spring loaded X-Grip® cradle expands and contracts, allowing for a perfect custom fit of your phone or tablet. The X-Grip® includes a device tether recommended for outdoor applications. The cradle is compatible with handheld devices that will fit the dimensions listed below. It is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size.

The RAM Phone Mount B Ball Suction 114mm Max Width (109278) is a rugged, versatile, and reliable phone mounting solution designed for both marine and automotive applications. Whether you’re on the road or navigating offshore, this mount ensures your device stays securely in place—even in tough conditions.

This model features a strong B-size RAM ball base paired with a large 114mm suction cup, offering powerful grip on flat, non-porous surfaces such as windscreens, dashboards, or boat consoles. The industrial-strength suction provides a stable foundation, ideal for environments subject to vibration or movement.

Designed to hold phones up to 114mm wide, the adjustable holder accommodates a wide range of devices, including most smartphones—even when housed in a protective case. The spring-loaded arms offer a secure fit while allowing quick insertion and removal of your device with one hand.

The B ball mounting system allows for full articulation and adjustability, enabling you to position your phone exactly where you need it—whether in portrait or landscape orientation. Once locked in place, it stays firm, providing a stable platform for navigation, communication, or streaming.

Crafted from high-strength composite and marine-grade aluminum, this mount is built to endure harsh outdoor environments, including saltwater spray, sun exposure, and extreme temperatures. It’s ideal for use on boats, 4WDs, RVs, or any setting where reliability is key.

Easy to install and remove, the RAM suction base eliminates the need for drilling or permanent fixtures. It’s perfect for users who want a robust yet temporary mounting option.

Whether you’re a boater, off-road enthusiast, or everyday driver, the RAM Phone Mount B Ball Suction 114mm Max Width (109278) gives you the confidence to keep your phone safe, accessible, and hands-free.

Plate Dimension mm Ball Size mm Weight kg
76.2 x 76.2 B 25 0.43

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