RAM® Ball Adapter for Humminbird Piranha + More

Part#: RAM-B-107-1BU
UPC: 793442002441

Compatibility

Eagle

Cuda 240i Cuda 240 Cude 168 Cuda 128 FishEasy 320C FishEasy 240

Humminbird

Piranha MAX 20 Piranha MAX 15 Piranha MAX 10

Lowrance

X-4 X-4 Pro
$19.99

Overview

The RAM-B-107-1BU is a marine grade aluminum base with 1" rubber ball. The base connects to the underside of Humminbird, Eagle and Lowrance marine GPS devices.

hole pattern:

See Drawing

plate size:

3.29" x 2.85"

ball size:

B Size (1")

weight capacity:

Standard Use: 2 lbs
Heavy-Duty Use: 1 lb

materials:

Marine-grade aluminum

packaging type:

Poly Bag

Weight:

0.22 lb

Return Policy:

All products purchased from RAM® can be returned within 30 days with no restocking fee (return shipping not provided). See full return policy here.

Print

Documents

Drawing File: Humminbird Piranha Plate
Knowledge Base: Ball Sizes
Q&A
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RAM® Ball Adapter for Humminbird Piranha + More
$19.99

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size — this product 1" ball
  • C Size 1.5" ball
  • D Size 2.25" ball
  • E Size 3.38" ball

Every RAM® mount is built around a rubber ball and socket system. The ball size sets how much weight the mount can carry. Match it to your device for smooth adjustment with a rock-solid hold.

RAM Mounts ball size specifications and typical uses
Size Ball Diameter Max Load* Best For
A0.56" (14.3 mm)0.5 lbAction cameras and other ultra-light devices
B — this product1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C1.5" (38.1 mm)4 lbsLarge tablets, fish finders, and rougher rides
D2.25" (57.2 mm)6 lbsRugged tablets, laptops, and heavy equipment
E3.38" (85.9 mm)15 lbsLarge displays and demanding aviation or industrial use

*Approximate capacity for a standard ball with a mid-length arm. Shorter arms and steel-reinforced posts increase real-world capacity.

Reading part numbers

The letter after RAM tells you the ball size: RAM-B-166 uses a 1" B ball, while RAM-D-201 uses a 2.25" D ball. C size parts are the exception and carry no letter, so RAM-201U is a C size arm.

Add-on & Accessories

Socket Arms
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Ball Bases
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