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RAM® Curved Extension Base with Ball & Mounting Hardware | |
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Part #:
RAM-B-125B-G1U
UPC:
793442913631
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Product Information | |
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Overview | The RAM RAM-B-125B-G1U, extension base includes a 1" rubber ball; it allows for almost infinite adjustment and perfect viewing angles. Originally designed to position your GPS in front of the yoke on your plane, the extension plate can also be used in many other applications. The mounting section of the plate is 2.5" square, predrilled holes for many different screw hole patterns, including the universal AMPS hole pattern and all RAM made cradles. The connection section extends approximately 2.25" forward, at a 45 degree angle, from the center of the 1" ball and approximately 1.5'' above the 1" ball (to the bottom of the connection section of the plate). |
Specifications | |
---|---|
hardware included | (4) #6-32 x 5/8" Machine Screws (4) #6-32 x 7/8" Machine Screws (4) #6-32 x 3/8" Machine Screws (4) #6-32 Nut Inserts |
hole pattern | Various AMPS Hole Patterns See Drawing |
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 | 0.2 lb |

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size
Holds .5 lbs.
Trail Cameras

B Size
Holds 2 lbs.
Phones, Action Cameras, Light Duty Tablets

C Size
Holds 4 lbs.
Fishfinders, Heavy Duty Tablets

D Size
Holds 6 lbs.
Heavy Monitors

E Size
Holds 15 lbs.
Heavy Monitors
The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.
Size | A Size | B Size | C Size | D Size | E Size |
---|---|---|---|---|---|
Short Arm | Overall Length N/A |
Overall Length 3.73" |
Overall Length 5.69" |
Overall Length 5.69" |
Overall Length 5.69" |
Socket-to-Socket Length N/A |
Socket-to-Socket Length 3" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 4.66" |
|
Medium Arm | Overall Length 2.42" |
Overall Length 3.73" |
Overall Length 5.69" |
Overall Length 8.44" |
Overall Length 12.63" |
Socket-to-Socket Length 1.75" |
Socket-to-Socket Length 3" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 6.88" |
Socket-to-Socket Length 9.88" |
|
Long Arm | Overall Length 6" |
Overall Length 6" |
Overall Length 9.13" |
Overall Length 12.98" |
Overall Length N/A |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 8" |
Socket-to-Socket Length 11.41" |
Socket-to-Socket Length N/A |
Compatible Devices
Garmin
StreetPilot III
GPSMAP 172-250

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size
Holds .5 lbs.
Trail Cameras

B Size
Holds 2 lbs.
Phones, Action Cameras, Light Duty Tablets

C Size
Holds 4 lbs.
Fishfinders, Heavy Duty Tablets

D Size
Holds 6 lbs.
Heavy Monitors

E Size
Holds 15 lbs.
Heavy Monitors
The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.
Size | A Size | B Size | C Size | D Size | E Size |
---|---|---|---|---|---|
Short Arm | Overall Length N/A |
Overall Length 3.73" |
Overall Length 5.69" |
Overall Length 5.69" |
Overall Length 5.69" |
Socket-to-Socket Length N/A |
Socket-to-Socket Length 3" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 4.66" |
|
Medium Arm | Overall Length 2.42" |
Overall Length 3.73" |
Overall Length 5.69" |
Overall Length 8.44" |
Overall Length 12.63" |
Socket-to-Socket Length 1.75" |
Socket-to-Socket Length 3" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 6.88" |
Socket-to-Socket Length 9.88" |
|
Long Arm | Overall Length 6" |
Overall Length 6" |
Overall Length 9.13" |
Overall Length 12.98" |
Overall Length N/A |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 8" |
Socket-to-Socket Length 11.41" |
Socket-to-Socket Length N/A |
Compatible Devices
Garmin
StreetPilot III
GPSMAP 172-250

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Overview
The RAM RAM-B-125B-G1U, extension base includes a 1" rubber ball; it allows for almost infinite adjustment and perfect viewing angles. Originally designed to position your GPS in front of the yoke on your plane, the extension plate can also be used in many other applications. The mounting section of the plate is 2.5" square, predrilled holes for many different screw hole patterns, including the universal AMPS hole pattern and all RAM made cradles. The connection section extends approximately 2.25" forward, at a 45 degree angle, from the center of the 1" ball and approximately 1.5'' above the 1" ball (to the bottom of the connection section of the plate).
hardware included:
(4) #6-32 x 5/8" Machine Screws
(4) #6-32 x 7/8" Machine Screws
(4) #6-32 x 3/8" Machine Screws
(4) #6-32 Nut Inserts
hole pattern:
Various AMPS Hole Patterns
See Drawing
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:
0.2 lb