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RAM Mounts Stem Base
  • Black
  • Black
  • Black
  • Black

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RAM Mounts Stem Base With 1" Ball

The RAM-B-342 fork stem mount is one of the cleanest ways to mount small electronics on your motorcycle. Simply slide the assembly into the hole of the stem and tighten the machine screw to create a tight fit. This part is designed to fit into the cylindrical bore wall of fork stems and will work with stems that measure from 12 -20mm and 28mm or 0.5” – 1.10” at the following intervals:

Metric       Standard
12mm          0.5”
14mm          0.55”
16mm          0.63”
18mm          0.71”
20mm          0.79”
28mm          1.10”


  • Powder Coated Marine Grade Aluminum

Ball Size:

  • 1" Rubber Ball "B" Size


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RAM Mounts Stem Base 4 5 2 2
Almost Perfect The mount works adequately, and holds my Galaxy S3 steady.....at least so far. I can still rotate the mount in the steering stem w/o much effort though. I would be completely satisfied if the mount was LOCKED in place and did not rotate at all, however, it works as advertised and the price is reasonable. I recommend this mount for anyone with a sportbike that gas clip-ons and limited space behind their fairing October 21, 2013
Best solution for gadget mounts This is probably the best solution for any sort of phone/gps mount, it isn't just my opinion, it's the opinions of most of the forums I visit also. Simple to use, simple to install and RAM quality. I've lowsided with my phone rigged up on a RAM Finger Grip and it stayed put, did not budge. The only con to this style of installation is that temp changes will loosen the base a bit. Simple fix is to just simply turn it a few more times or use a longer bolt/nut through the yolk and clamping it down. April 5, 2013
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RAM Mounts Stem Base
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RevZilla Store asked: Why did you choose this?
Donnie B: Wanted a clean install solution for mounting my iPhone onto my CBR1000RR. Research said this was the cleanest and most stable solution. Feb 26, 2014
Greg P: It is the only mounting option available that will allow me to position my devices directly in front of me, but keep them protected behind the fairings wind screen. Oct 3, 2013
Product Style RevZilla SKU ID Manufacturer Product # Availability
Black 869159 RAM-B-342 In Stock: Ships within 24 hours