RAM Motorcycle Fork Stem Base with 1" Ball
SKU: 81974647939

RAM Motorcycle Fork Stem Base with 1" Ball

Sale price$42.30 Regular price$47.00
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

RAM Motorcycle Fork Stem Base with 1" BallRAM B 342U RAM Motorcycle Fork Stem Ball Base Features * Designed to fit into the cylindrical bore wall of fork stems measuring 12 to 38mm internal diameter * Included B size 1" RAM rubber ball allows for connection to any B size RAM double socket arm; 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

RAM-B-342U RAM® Motorcycle Fork Stem Ball Base


Features

* Designed to fit into the cylindrical bore wall of fork stems measuring 12 to 38mm internal diameter
* Included B size 1" RAM® rubber ball allows for connection to any B size RAM® double socket arm; 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



The RAM® motorcycle fork stem base is one of the cleanest and most popular solutions for mounting your favourite device on the centre of your bike. Featuring a B size 1" rubber ball, this part is designed to fit into the cylindrical bore wall of fork stems and will work with stems that measure 12mm to 38mm (.5” to 1.49”) in diameter.

Hardware Included
(1) Expansion Plug for 12mm - 38mm (.5" - 1.49") Fork Stem Holes
(1) M5 x 60mm Machine Screw
(1) Steel Washer Set
(1) Nut Pocket Washer Set
(1) Brass Nylock Nut

Compatible Fork Stem Internal Dimensions
12mm to 38mm (0.5” to 1.49”)

Material:
Powder Coated Marine Grade Aluminium

Ball Size:
1" Rubber Ball "B" Size

Weight:
113 grams (0.25 lbs.)

Weight Capacity
907 grams (2 lbs)

YouTube:
https://www.youtube.com/watch?v=iL6UI4EXzBw&t=306s


QUESTIONS & ANSWERS

Q: How would I REMOVE this from a bike? I took off the ball, but it seems theres still the bottom piece in my stem and I don’t know how to remove it?
A: You would just need to back the screw out the RAM-B-342U. There can be some resistance from the the nylock nut internally, but it will eventually back the nut off allowing the expansion plug to be removed from the bore hole.

Q: What is the safe Torque when you tighten the screw with 3mm Allen Wrench?
A: There isn't a recommended safe torque for the screw included with the RAM-B-342U, you will want to tighten that until the expansion plug has been squeezed between the washer sets and is secure in the fork stem hole.

Q: Can you confirm fitment into 2022 Kawasaki ZX6R, which has a very small hex hole in the stem. The small dimension is 12mm but it's not round.
A: If your fork stem opening is not cylindrical than this base will not be compatible with your bike. The fork stem opening base requires a cylindrical opening between 12mm - 38mm (.5" - 1.49") in diameter.

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: 81974647939

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Kayy
Port Orchard, US
★★★★★ 5
Came fast and fit well
Number of Items: 1, Color: Black, Size: X-Small
fit well and was good quality. definitely a good deal
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Reviewed in the United States on February 9, 2026
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Kindle Customer
New York, US
★★★★★ 3
Fits well
Number of Items: 5, Color: Blue/Green/Pink/Purple/White Unicorn, Size: Medium
Cute on, but material isn’t real comfortable. The fit is good
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Reviewed in the United States on August 11, 2025
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DeRobinson
Waukegan, US
★★★★★ 5
Who doesn't love a unicorn?
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