RAM Mounts RAM-B-101U-C Long Arm 1" Ball Mount Set with 2 x 2.5" Round Bases

The RAM Mounts RAM-B-101U-C is a versatile long-arm mounting system featuring a B-Size 1″ ball system, long double socket arm and two 2.5″ round bases.

The longer arm provides additional reach and positioning flexibility, while the RAM ball-and-socket design offers adjustment at both ends of the arm. This allows you to position your mounted device at the ideal viewing or operating angle before locking it securely into place.

The rubber ball system also helps absorb shock and vibration, making the RAM-B-101U-C well suited to vehicles, boats, machinery and other demanding applications.

Both 2.5″ round bases feature the universal AMPS hole pattern, providing compatibility with a wide range of RAM Mounts device holders, cradles and mounting accessories.

Browse our full range of RAM Mounts vehicle mounting systems →

Why Choose the RAM-B-101U-C Long Arm Mount?

• B-Size 1″ ball system provides secure, highly adjustable positioning.
• Long double socket arm provides additional reach and mounting flexibility.
• Two 2.5″ round bases feature the universal AMPS hole pattern.
• Adjustment points at both ends allow near-infinite positioning.
• Rubber ball-and-socket system helps dampen shock and vibration.
• Compatible with a wide range of RAM Mounts cradles, holders and accessories.
• Durable construction for demanding vehicle, marine and machinery applications.
• Lifetime warranty backs quality and reliability.

Backed by RAM Mounts lifetime warranty

Specifications

Ball size: B-Size (1″ / 25 mm)
Arm type: Long double socket arm
Base diameter: 2.5″ (63.5 mm) each
Base hole pattern: Universal AMPS
Mounting system: Double ball-and-socket
Materials: Marine-grade aluminium

What’s Included

• 1 x long RAM double socket arm (B-Size)
• 2 x 2.5″ round ball bases with universal AMPS hole pattern

Ideal For

Perfect for vehicles, boats, UTVs, machinery and equipment where additional reach and flexible device positioning are required. Ideal for mounting compatible phone holders, tablet cradles, GPS units and other RAM Mounts accessories in a secure and adjustable position.

Looking to build a complete mounting system with RAM arms and accessories? Explore our RAM Mounts vehicle mounting systems →

Additional Compatibility Info

Compatible with RAM Mounts B-Size 1″ ball components and a wide range of RAM cradles and device holders using the universal AMPS hole pattern.

Learn more about the RAM® warranty policy here.