World-Class Mounting Systems

Size Guide

Ball Sizes
Arm Sizes
X
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.
B Size
Holds 2 lbs / 0.91 KG
1" Ball
Phones, Action Cameras, Light Duty Tablets
C Size
Holds 4 lbs / 1.81 KG
1.5" Ball
Fishfinders, Heavy Duty Tablets
D Size
Holds 6 lbs / 2.72 KG
2.25" Ball
Monitors, Large Fishfinders
E Size
Holds 15 lbs / 6.8 KG
3.38" Ball
Heavy Monitors
Ball Sizes Short Arm Medium Arm Long Arm
B Size Overall Length 2.42" / 6.1468cm 3.73" / 9.47cm 6.00" / 15.24cm
Socket-to-Socket Length 1.75" / 4.45cm 3.00" / 7.62cm 5.31" / 13.49cm
C Size Overall Length 3.56" / 9.04cm 5.69" / 14.45cm 9.13" / 23.19cm
Socket-to-Socket Length 2.50" / 6.35cm 4.66" / 11.84cm 8.00" / 20.32cm
D Size Overall Length 5.10" / 12.95cm 8.44" / 21.44 12.98" / 32.97
Socket-to-Socket Length 3.60" / 9.14cm 6.88" / 17.48cm 11.41" / 28.98cm
E Size Overall Length 7.31" / 18.57cm 12.63" / 32.08cm N/A
Socket-to-Socket Length 4.98" / 12.65cm 9.88" / 25.10cm N/A

RAM® Double Ball Yoke Clamp Mount with Round Plate - Medium

SKU Copied
SKU: RAM-B-121-202U
UPC Copied
UPC: 793442902741
01 28 232353ram B 121 202u1jpg
01 28 232353ram B 121 202u2jpg

RAM® Double Ball Yoke Clamp Mount with Round Plate - Medium
Copy SKU
SKU: RAM-B-121-202U
Copy UPC
| UPC: 793442902741

Overview
The RAM-B-121-202U consists of a yoke clamp base, standard length double socket arm and round 2.5" / 6.35cm base that contains the universal AMPs hole pattern. The yoke clamp base will fit rails in diameter from 0.625" / 1 587.50cm / 1.59cm to a maximum of 1.25" / 3.18cm. The 1" / 2.54cm rubber ball is at a right angle to the plane of the mount; when connected to a rail, the ball sits parallel to the rail. The mount is designed with a RAM 1" / 2.54cm diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm, allowing for almost infinite adjustment and perfect viewing angles.

Features
  • Yoke clamp base fits rails from .625" / 1 587.50cm to 1.25" / 3.18cm in diameter
  • Round plate features industry-standard AMPS hole pattern; connects to a variety of RAM® device holders
  • Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
  • Backed by a lifetime warranty

Information

Resources

Information

Clamp Range

.625" / 1 587.50cm - 1.25" / 3.18cm

Socket To Socket Length

3" / 7.62cm

Hole Pattern

4-Hole AMPS: 1.181" / 3.00cm x 1.496" / 3.80cm
3-Hole 120-Degree: 1.812" / 4.60cm Diameter

Ball Size

B Size (1" / 2.54cm)

Weight Capacity

Standard Use: 2 lbs / 0.907kg
Heavy-Duty Use: 1 lb / 0.454kg

Materials

Marine-grade aluminum

Packaging Type

Poly Bag

Weight

0.76 lb / 0.345kg

Resources

Documents
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Components

01 28 232355ram B 121bu1jpg
RAM Mounts
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RAM-B-121BU
RAM® Yoke Clamp Base with Ball
01 29 230156ram B 201u1jpg
RAM Mounts
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RAM-B-201U
RAM® Double Socket Arm - B Size Medium
01 29 230203ram B 202u1jpg
RAM Mounts
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RAM-B-202U
RAM® Round Plate with Ball - B Size


Complete Your Solution

Locking Knobs for B Size Socket Arms

01 29 230935ram Knob3lsu1jpg
RAM Mounts
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RAM-KNOB3LSU
RAM® Key Lock Knob with Steel Insert for B Size Socket Arms
01 29 232210rap S Knob3 7u1jpg
RAM Mounts
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RAP-S-KNOB3-7U
RAM® Pin-Lock Security Knob with 7-Pin Pattern for B Size Socket Arms
07 19 230753rap S Knob3u1jpg
RAM Mounts
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RAP-S-KNOB3U
RAM® Pin-Lock Security Knob for B Size Socket Arms

RAM® Add-A-Ball Accessory Ball for B Size Socket Arms

01 29 230220ram B 273u1jpg
RAM Mounts
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RAM-B-273U
RAM® Add-A-Ball™ Accessory Ball for B Size Socket Arms
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