RAM® Flex Adhesive Double Ball Mount with AMPS Plate

Part#: RAP-B-378-A-347U
UPC: 793442937033

Compatibility

Garmin

dezl OTR1000 zumo 390LM zumo 400 zumo 450 zumo 500 zumo 550 zumo 660 zumo 665

Road

Tech Zumo 590 Tech Zumo 660 Tech Zumo 665

TomTom

Rider 2 Urban Rider

Kit Components

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$32.49

Overview

The RAP-B-378-A-347U consists of the flex adhesive base with 1" ball, double socket arm and square adapter base that contains the universal AMPs hole pattern. Using a PSA stick pad, put the flex adhesive mount practically anywhere you want to keep your portable electronics easy to see and always within your reach. Designed with a very small foot print, finding a home on your scooter, motorcycle, kayak, boat or vehicle dash is easy. The square adapter base contains four pre-drilled holes at each corner, making the universal 1.5 x 1.188 (hole spacing) AMPS hole pattern. The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles.

hardware included:

(1) 2.5" Double Adhesive Pad
(1) Alcohol Prep Pad

product dimensions:

Overall Height: 5.375"

socket to socket length:

1.75"

hole pattern:

4-Hole AMPS: 1.181" x 1.496"

ball size:

B Size (1")

weight capacity:

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

materials:

High strength composite

packaging type:

Poly Bag

Weight:

0.29 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

Instructions

Flex Adhesive Base Installation Instructions

QUESTIONS & ANSWERS

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RAM® Flex Adhesive Double Ball Mount with AMPS Plate
$32.49

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.