SKU: 51535964951

RAM Clamp Base - Square 51mm Post Clamp Base with 1.5 inch (C Series) Ball

Sale price$72.18 Regular price$80.20
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  • USA
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

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Description

RAM Clamp Base - Square 51mm Post Clamp Base with 1.5 inch (C Series) BallRAM 247U 2 Square Post Clamp Base (51mm, C Size Ball) The RAM 247U 2 is a RAM Mounts square post clamp base for posts and rails up to 51mm (2") wide, fitted with a C size 1. 5" rubber ball. It clamps to rails, tubes and frames and pairs with any C size double socket arm. Key Features Clamps onto square posts and rails up to 51mm (2") wide; adjustable and easily removed or repositioned Includes a C size 1. 5" RAM rubber ball that connects to any C size

RAM-247U-2 Square Post Clamp Base (51mm, C Size Ball)

The RAM-247U-2 is a RAM Mounts square post clamp base for posts and rails up to 51mm (2") wide, fitted with a C size 1.5" rubber ball. It clamps to rails, tubes and frames and pairs with any C size double socket arm.

Key Features

  • Clamps onto square posts and rails up to 51mm (2") wide; adjustable and easily removed or repositioned
  • Includes a C size 1.5" RAM rubber ball that connects to any C size RAM double socket arm
  • RAM rubber ball-and-socket design gives near-infinite angle adjustment
  • Powder-coated marine-grade aluminium, built for vibration and weather
  • Backed by RAM's lifetime warranty

Works With

Any C size (1.5" ball) RAM component: connect a C size double socket arm, then add a C size ball adapter or device holder to suit your gear. The base is removable and can be repositioned along the post at any time.

Dimensions & Specifications

  • Maximum post width: 51mm (2")
  • Ball size: 1.5" (C size)
  • Weight capacity, standard use: 1.81kg (4 lbs)
  • Weight capacity, heavy-duty use: 1.36kg (3 lbs)
  • Product weight: 322g (0.71 lb)
  • Material: powder-coated marine-grade aluminium
  • Hardware included: (2) 5/16"-18 x 3" machine screws, (2) 5/16"-18 Nylock nuts

FAQs

What size post does it fit? Square posts and rails up to 51mm (2") wide.

What does it connect to? Any C size RAM arm and holder via the included 1.5" ball.

Is the mounting hardware included? Yes, two 5/16"-18 x 3" machine screws and two Nylock nuts.

How is it dispatched? In stock items ship from our Auckland warehouse, normally within one business day of your order.

Watch the product video

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51535964951

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4.5 ★★★★★
Based on 27 reviews
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Nathalie M. Rosario Escobar
Whiting, US
★★★★★ 5
Very good
Color: 01-black, Size: Small
It looks so good on my bf, he really like it. The quality is so perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
J
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Javian Campbell
Louisville, US
★★★★★ 5
Good quality
These fit so well material is very tick nice for winter they have all different colors and it’s so comfy it’s really good value for your money for that level of thickness
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Reviewed in the United States on September 30, 2025
R
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Ruby
San Leandro, US
★★★★★ 5
Buy it
If you're looking for a comfortable thick and nice turtle neck this is the one. It's nice and form fitting nice weight to it to keep you warm. But not to thick that you cant just wear it on a regular sunny day if you wanted. The design pattern Is also very nice. Can dress it up or down. I bought the black and then immediately bought the rust orange color for my friend once he tried on mine he wanted one immediately so I gifted him one. He loves it. Definitely worth the buy. Excellent quality. I bought a Large 5"11 165lbs
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Reviewed in the United States on December 21, 2024
M
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Make it Do!
Lexington, US
★★★★★ 5
What you see is what you get!
Color: 01-black, Size: Large
Fits great, fabric is amazing, turtle neck fits tight, and the quality is amazing!
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Reviewed in the United States on February 11, 2026
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SeanCeltiad
Dallas, US
★★★★★ 4
A true turtleneck that retains a snug high neck.
Color: White, Size: X-Large
I've found this brand to have gotten better over the years as far as offering the American market what it needs in terms of realistic sizing. I only wish they'd realize that there are a lot of us who are long in the back and arms where my only choice is to go a size up and sacrifice a slim fit for sleeves that are long enough plus a back that doesn't go up past my waist just because I reach up for something, that and I like to be warm. So these are such nice quality turtlenecks that it's hard to complain about but maybe the company will read this. The snug neck stays up is plus number one since that's why I'm buying a full neck. They come with very nice weaves in the fabric, good enough for casual or formal wear. Finally the warmth you seek is there but I've worn them in what most would think isn't the right temp for a turtleneck. Also they have them in white! Yes, a lot of others just don't for reasons I can't fathom, and the pic you're seeing is accurate, these will form to your shape without being ridiculously thin material. Several washes later and they are as fine a garment as when I first wore them. I've only found one other brand that compares to these but it's much more expensive, COOFANDY is affordable in these times of expensive everything. Warm but also a lightweight shirt, I've gotten them really dirty with actual dirt and it washes out so well you'd never know it. Don't let my taking off one star stop you, try one yourself and you'll be coming back for more.
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Reviewed in the United States on July 30, 2025

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