World-Class Mounting Systems

Size Guide

Ball Sizes

Arm Sizes

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
B Size	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
C Size	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
D Size	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
E Size	Socket-to-Socket Length	4.98" / 12.65cm	9.88" / 25.10cm	N/A

 / Overview /

RAM® Handlebar U-Bolt Base for Rails 0.5" to 1" in Diameter - B Size

SKU Copied

SKU: RAM-B-231U

UPC Copied

UPC: 793442002229

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RAM® Handlebar U-Bolt Base for Rails 0.5" to 1" in Diameter - B Size

Copy SKU
RAM-B-231U SKU: RAM-B-231U

Copy UPC
793442002229 | UPC: 793442002229

B SIZE

Size Guide

The RAM Handlebar U-Bolt Base (RAM-B-231U) is a rugged mounting base designed for rails 1.27cm (00.5") to 2.54cm (1") in diameter, with an integrated B size rubber ball. This base is compatible with all B size socket arms. The stainless steel u-bolt is secured to rails or handlebars by two nylock nuts and comes with an optional composite adapter that narrows the attachment to the minimum compatible rail width of 1.27cm (0.5") . Cover the end of the u-bolt with the included two rubber caps, ensuring no clothing or equipment get snagged.

Features

Zinc-coated metal U-bolt base with 2.54cm (1") rubber ball is designed to sit at right angles to mounting rail; includes black cover caps for exposed ends of the U-bolt
Compatible with any B size RAM® Mounts component; ball and socket technology allows for near-infinite adjustability
Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
Backed by a lifetime warranty