RAM Mounts Stem Base
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  • RAM Mounts Stem Base - Black
  • RAM Mounts Stem Base - Black
  • RAM Mounts Stem Base - Black
  • RAM Mounts Stem Base - 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”

Material:

  • Powder Coated Marine Grade Aluminum

Ball Size:

  • 1" Rubber Ball "B" Size

Resources:

4.1 / 5
Bang For The Buck
4 / 5
Features
3.8 / 5
Style
3.8 / 5
Ease Of Install
3.5 / 5
Fit & Finish
3.7 / 5
Product Style RevZilla Item # Manufacturer Product # Availability
Black 869159 RAM-B-342U In Stock: Ships within 24 hours

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4.1 / 5.0
34 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
16
13
1
1
3
Bang For The Buck
4.0 / 5
Features
3.8 / 5
Style
3.8 / 5
Ease Of Install
3.5 / 5
Fit & Finish
3.7 / 5
Bang For The Buck
5 / 5
I varied from instructions
The instructions show you to use a washer at the top of the rubber insert. I left it out and made grooves where it contacts the rubber with the sides of a thin file from HF, in the top aluminum ball mount, similar to the bottom plastic piece. This holds the mount from spinning without having to tighten it down so hard. For larger stem sizes you need the washer to compress the insert but should be able to come up with something similar like cutting a small piece of the insert, place ontop of the washer, and performing the same modifications to the mount. I also cut the insert so it was semi-hard to push down the stem but not impossible to remove.

After all of this, It is solid and it hard to move. Don't move it too much without loosening as the grooves that have been cut may chew up the rubber. That or start with less grooves, or smooth it out.
I used the smallest piece for my 07 cbr600rr.
May 19, 2015
Purchased
1 year ago
Bang For The Buck
5 / 5
Great little product
I really have enjoyed this mount so far. Makes for a great pairing with my Sena 20s since you can see who is calling and get directions changed quickly. Installation was fairly easy and quick
October 27, 2015
Purchased
1 year ago
Ride:
2014 Kawasaki Ninja ZX-6R ZX636
Bang For The Buck
5 / 5
Amazing product
I have tons of people ask me what's holding my phone, and I always tell them about this product. Like other reviewers, it spins forever, but it definitely does not pull out. It's a very secure fit and it holds my Samsung Galaxy S5 extremely well. I can also turn the mount I have sideways to hold my GPS. Once you have the mount, you can swap adapters to make it hold whatever you want held.
Great product!
June 13, 2015
Ride:
2007 Honda CBR600RR
Bang For The Buck
5 / 5
This is a great product..Easy install.
Great product and a great quality I highly recommend this product!!
March 30, 2015
Ride:
2013 Honda CBR600RR
Bang For The Buck
5 / 5
Great base
It took a little bit to get it in and expanded right so it was snug but one in its not going anywhere!
June 26, 2015
Purchased
1 year ago
Ride:
2005 Yamaha YZF-R1
Bang For The Buck
4 / 5
Exactly what I needed.
This was a great purchase. I was looking for something that I could put onto my bike to allow me to use my iPhone5 while riding. I have a Bluetooth helmet so it is really convenient being able to see what my gps is telling me what to do. I can now use Siri because I can just hold the button without digging through my pocket. This holds really well into the stem of my gixxer too, I can pull pretty hard and it won't budge.
July 25, 2015
Purchased
1 year ago
Ride:
2008 Suzuki GSX-R600
Bang For The Buck
5 / 5
Perfect location or my Garmin
I bought this mount to relocate my Garmin from the handlebar to the stem. Very easy installation, although it took many more turns of the wrench than I thought in order to get a tight fit. Overall a clean installation.
October 31, 2014
easy upgrade
the product was easy to install and works perfect, highly recomend!!
May 25, 2015
Purchased
1 year ago
Bang For The Buck
5 / 5
Looks good and works better
I was skeptical of how the mount would hold within the stem of my bars. But once I installed it there was nothing that will make it come out. Was lifting the bike up while pulling on it.

I enjoyed this part but some might see this as a negative. It does not come ready to fit, you must essentially build it so that it fits your bike perfectly. I accidentally butchered my cuts on the rubber mount due to my rush but it still worked out just fine. Make sure you take your time and measure your cuts before slicing it, otherwise there's no second chance. Took me maybe 5 min to "build" and another 30 sec to install. Its hard to mess up but its possible so take your time.

Highly recommend!!!
May 20, 2014
Ride:
2002 Yamaha YZF-R6
Bang For The Buck
5 / 5
Does the trick
Doesn't ever seem to tighten all the way. Just kinda spins forever but it holds very tight.
June 9, 2015
Ride:
2003 Suzuki SV650S
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Browse 10 questions Browse 10 questions and 43 answers
Why did you choose this?
RevZilla Store
Fits in my stem arm
Mark N on Sep 2, 2016
Works great with my iPhone 6s plus! I also purchased the RAM mounts Stem Base with this phone mount to work on my 2007 Honda CBR600RR. Hope this helps!!!
TheChadster on Jul 16, 2016
Fits in my stem arm
Mark N on Sep 2, 2016
Works great. Easy installation. I had the mount that was on the handlebars, but every once in a while (usually when pulling in and maneuvering around at a gas station) the phone/mount would hit my windscreen. This center mount eliminates that and also makes it much easier to look at when using navigation.
Brad H on Aug 26, 2016
Works great with my iPhone 6s plus! I also purchased the RAM mounts Stem Base with this phone mount to work on my 2007 Honda CBR600RR. Hope this helps!!!
TheChadster on Jul 16, 2016
Easy set up.
Salvador G on Jul 13, 2016
need it for the ram mount
CBR4LIFE on Apr 24, 2016
I want to mount to the stem base rather than the reservoir.
Justin T on Mar 24, 2016
Best mount setup there is.
Cody L on Mar 16, 2016
saw the reviews and the youtube videos, looks clean and i like that its centered on the bike.
Philip S on Mar 10, 2016
Best place to mount
Matthew G W on Feb 12, 2016
ease
Francisco J on Jan 31, 2016
I have ram mounts in my boat and trust them they do what they say and keep your stuff in place.
al b on Dec 22, 2015
for the phone.
Antonio M s on Dec 8, 2015
needed something to hold my phone firmly whilst riding
Charles A on Nov 18, 2015
needed for ram grip install
Julius T on Nov 15, 2015
I will use this product in my Honda VFR 1200f year 2013 togheter the other itens in this order. My goal is use my iphone6 and waze in my Honda. Thank you.
Fábio Luiz C on Sep 27, 2015
Best phone/ GPS mount on the market!
Justin W on Sep 22, 2015
the stem mount will allow for the best protection against wind resistance allowing me to hide my device behind my windscreen.
craig j on May 21, 2015
Perfect location and ease of installation.
Seth R on May 11, 2015
Seemed like the best option to mount my Garmin GPS on my Honda VFR800 that would keep it out of the way, but still be able to see the gauge cluster.
bikehikeflyCO on Apr 3, 2015
Because I didn't win the dianese giveaway and now have to buy myself things off my wishlist
Brian B on Mar 30, 2015
I wanted my phone mounted right in the middle of my handlebars and not somewhere to the side.
Ben R on Mar 10, 2015
Best product on the market !!
nickolas z on Mar 9, 2015
great reviews.
Ryan H on Dec 17, 2014
Best moto mount you can get.
Tom L on Nov 3, 2014
recommended by a friend using the same set up
Chris M on Oct 2, 2014
Hold my phone!
Chris P on Sep 23, 2014
Looks to be about the only way I will be able to mount my phone on the Buell XB9R without it hindering movement.
Kenneth K on Sep 19, 2014
Its for my phone mount.
Nathan K on Sep 5, 2014
I have used Ram mounts in the past with great success
Darren K on Aug 13, 2014
Recommended by S1000rr forum
Christopher R on May 15, 2014
Wanted a clean install solution for mounting my iPhone onto my CBR1000RR. Research said this was the cleanest and most stable solution.
Donnie B on Feb 26, 2014
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.
Greg P on Oct 3, 2013
Works great. Easy installation. I had the mount that was on the handlebars, but every once in a while (usually when pulling in and maneuvering around at a gas station) the phone/mount would hit my windscreen. This center mount eliminates that and also makes it much easier to look at when using navigation.
Brad H on Aug 26, 2016
Easy set up.
Salvador G on Jul 13, 2016
Will this fit a Harley 883 Iron?
PHILIP O on Aug 4, 2014
BEST ANSWER: This set up will fit on any bike with a hole in the triple clamp or you could probably drill a hole to make it work. Great set up and totally adjustable.
Which Holder can I use with this?
shawn h on Apr 3, 2016
BEST ANSWER: You should be able to use any of the ram mounts holders since the stem mount uses a ball to attach the mount to the holder.
Is this product compatible with a 2015 hayabusa?
christopher s on May 18, 2015
BEST ANSWER: If you have a hollow steering stem and see a hole you will be able to use this product. There is a rubber piece that is long and cone shaped. A section of this cone is cut out that fits your steering stem.
Has anyone used this mount for a 2013 Ninja 636?
Michael C on Jan 8, 2015
BEST ANSWER: Hi, I bought this set and, I have used it in my kawasaki ninja zx-6r 2012. In my opinion is a good and strong mount but the installation problem was that I had to cut and scrape the bottom part of the piece that has the ball, because it had interfered with the free movement of the ohlins damper in the handle. I think that the RAM mouts must be tested before for a specific motorcicle.
Does this mount on a ducati scrambler icon?
Jarrod R on Nov 16, 2016
BEST ANSWER: Based on the pictures I've found of that bike I'm going to say no. Looks like you would benefit more from a clamp type mount.
Yamaha R3, is this the one I need?
Travis G on Aug 28, 2016
BEST ANSWER: Hello Travis, I own a 05 R1 and this is the one I use. I bought just last year and it works perfect. I'm not to familiar with the R3 but if the body is similar in set up this will work for you.. Hope this help, keep the rubber side down and the shiny side up, keep riding.
Does this mount work with the X grip or the other universal mount with the pre installed 1" Ball?
Chris D on Dec 31, 2015
BEST ANSWER: It works on any of the Ram mount X grips with the 1" ball as long as you have the piece in between to lock it in.
I've had it on my N1K for almost 2 years with no issues and a friend low sided his bike into a ditch and his cell phone was still hanging on but his bike was a total loss.
Will this fit a 2014 Kawasaki Ninja 650?
jibuu on Dec 6, 2014
BEST ANSWER: It should since it comes with a bunch of different size attachments to fit virtually any upper triple clamp.
How do you stop the insert from spinning so much without overtightening it?
A shopper on Sep 19, 2016