RAM® Composite Double Ball Mount for Humminbird, Matrix + More

Part#: RAP-107U
UPC: 793442940101

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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$59.99

Overview

The RAP-107U consists of a composite 2.5" diameter round base with the universal AMPS hole pattern, composite double socket arm, and connecting Humminbird/Apelco marine adapter base. The mount is designed with a RAM 1.5" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; thus allowing for almost infinite adjustment and perfect viewing angles.

socket to socket length:

4.66"

hole pattern:

4-Hole AMPS: 1.181" x 1.496"
See Drawing

plate size:

Top Plate: 4.25" x 3.81"
Round Plate: 2.5" Diameter

ball size:

C Size (1.5")

weight capacity:

Standard Use: 4 lbs
Heavy-Duty Use: 3 lbs

materials:

Marine-grade aluminum
High strength composite

packaging type:

Poly Bag

Weight:

1.1 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.

QUESTIONS & ANSWERS

Have a Question?

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  • Will this fit a hummingbird 788ci DI?

    This is compatible with the the Humminbird 700 series.

RAM® Composite Double Ball Mount for Humminbird, Matrix + More
$59.99

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size 1" ball
  • C Size — this product 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
B1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C — this product1.5" (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

Locking Knobs
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Accessories for AMPS Pattern Base Components
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RAM® Backing Plate Adapter RAM-202-225B-2U $13.99
RAM® NFC Extender with Dashboard Mount RAM-B-101-225B-NFCU $135.99
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