RAM® Fish Finder Mount for Humminbird Devices - B Size Medium

Part#: RAM-B-107U
UPC: 793442001963

Compatibility

Humminbird

700 Series 600 Series 500 Series 300 Series 100 Series Matrix Series (excluding Matrix 97)

Lowrance

Elite-5 Elite-5M Elite-5X

Raymarine

Apelco Fishfinder with matching hole pattern

Kit Components

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$52.49

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.

Overview

The RAM® Fish Finder Mount for Humminbird Devices - B Size Medium (RAM-B-107U) is a light-duty solution for securing smaller marine electronics to your vessel. It includes a device-specific ball base, a medium-length double socket arm, and a 2.5" diameter round drill-down ball base with the universal AMPS hole pattern. The mount is fully adjustable, allowing users to quickly dial in their ideal viewing angle. Compatible devices include Humminbird 100, 300, 500, 600, and 700 series; Humminbird Matrix Series (excluding Matrix 97); Lowrance Elite-5, -5M, and -5X; and Raymarine Apelco fish finder units with a matching hole pattern.

Features

  • Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
  • Backed by a lifetime warranty

product dimensions:

Overall Height: 5"

socket to socket length:

3"

hole pattern:

4-Hole AMPS: 1.181" x 1.496"
3-Hole 120-Degree: 1.812" Diameter
See Drawing

plate size:

Fish finder Plate: 4.25" x 3.81"
Round Plate: 2.5" Diameter

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:

0.77 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.

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RAM® Fish Finder Mount for Humminbird Devices - B Size Medium
$52.49

Add-on & Accessories

Arm Accessories
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Base Accessories
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