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CRG Billet Internal Adapter For CRG Bar End Mirror

Item: P234934

Don’t have enough exposed bar to secure one of CRG’s sweet bar end mirrors? This universal style internal adapter provides a secure mounting location. Read More

Save $1.99 (10%)
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Product Details

CRG Billet Internal Adapter For CRG Bar End Mirror

This is the Billet Internal Adapter for the Arrow, Hindsight, Hindsight LS and Blindsight Billet Bar End Mirrors. CRG makes this assembly to offer an alternative to the basic Bar End Mirror mount. 

Whenever possible, CRG recommends mounting the Hindsight Billet Bar End Mirror with the basic mount which clamps to the outer diameter of a 7/8” handlebar/clip-on. Using the basic mount is the bar end mirror solution using the fewest parts, facilitates the easiest installation and removal, is the lightest weight, and provides for the most secure bar end mirror mounting. Use of the basic mount requires having 10mm (3/8”) of bare bar outboard of the grip/throttle assembly. Before purchasing the mirror adapter, try moving your grips and controls inboard (away from the end of the bar). In many applications, the mirror can be mounted with the basic mount.


  • 6061-T6 aluminum CNC machined billet construction
  • Black anodized finish
  • Compatible with CRG LS series mirror
  • Sold each

Application range:

  • 7/8" size range 12mm to 19mm ID
  • 1" size range 18.3mm to 22.25mm ID
Made in the USA
Product Style RevZilla Item # MFR. Product # Availability
Product Style Black / 7/8" RevZilla Item #875920 MFR. Product #IA-100 AvailabilityIn Stock: Ships within 24 hours
Product Style Black / 1" RevZilla Item #1035633 MFR. Product #IA-200 AvailabilityIn Stock: Ships within 24 hours
Fitment Notes & Exceptions
  • Please measure Internal Diameter (ID) of your handlebars or clip-on bars prior to ordering:
    • 7/8" size range 12mm to 19mm ID
    • 1" size range 18.3mm to 22.25mm ID


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Product Description
Don’t have enough exposed bar to secure one of CRG’s sweet bar end mirrors? This universal style internal adapter provides a secure mounting location. Read More
Part Numbers
Tap To View Part Numbers
Tap To View Fitment Details
Shipping & Returns
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Reviews & Questions

4.1 / 5.0
74 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Bang For The Buck
3.9 / 5
3.6 / 5
4.2 / 5
Ease Of Install
4.0 / 5
Fit & Finish
3.8 / 5
4.3 / 5
Bang For The Buck
1 / 5
Ease Of Install
1 / 5
3 / 5
BMW S1000R fail
Product doesn't fit if you have heated grips (BMW).
No returns once open, according to Revilla customer service.
I'm stuck with this paperweight. My fault, I guess but Revilla customer service could have been more helpful instead of just saying "Sorry can't help you". Weak, I kinda expected better customer service.
Anyways, went with awesome RhinoMoto mounts, the CRG LS minors work great now.
Hey Revilla, offer RhinoMoto mirror mounts to your customers!
March 1, 2016
2016 BMW S1000R
Bang For The Buck
4 / 5
Ease Of Install
5 / 5
4 / 5
Does it's job beautifully, but...
First off, this product works just fine. My blindside mirrors fit perfectly into the adapter for a very appealing result.

Install was pretty easy, but creates a few issues (will explain later). While install is somewhat hard to explain, all you have to do is throw on the little pieces and tighten using an allen wrench. At first you will wonder how it will ever work, but it will. I only needed to use the 2 base pieces for my FZ 09, as the handlebars are thinner.

Here are the issues, which is less about the product and more about bar end mirrors in general.

1) Be careful installing the throttle side adapter. Stock bar end weights are designed to fit nicely around the throttle to not get it jammed. If you install these adapters too close, they will restrict the throttle from moving properly. Obviously a stuck throttle is a bad throttle. Also, installing these adapters too far out will allow dust/water/ debris to get inside the handlebars. So you have to play around with it to get it as close as possible without restricting the throttle at all (or do some surgery on your grips/ bars).

2) bar ends are weighted for a reason. It keeps the handlebars more stable at higher speeds and generally helps with maneuvering the bars and therefore the bike. These adaptors are very light, so you lose the bar end weight aspect when installing them.

Both of these are pros and cons you have to take i suppose though when switching to bar end mirrors.

One last tip, make sure the bike is level before installing the adaptors. Heard several horror stories of the pieces breaking loose during install and falling into the handlebar. Fortunately, install is so easy that you can technically do it while sitting on the bike (for those without a vertical bike stand)
March 16, 2015
2014 Yamaha FZ-09
Bang For The Buck
2 / 5
Ease Of Install
2 / 5
2 / 5
Slight modifications to the design could make it truly universal
Can't tighten down on handlebar fully without sticking throttle. At least on my FZ-09. It's ridiculous that you have to buy the mirror and the billet adapters separately and then the billet adapters don't even fit correctly without having to further modify your bike. If they had just narrowed the circumference of the adapter slightly or made the angle of attack to the billets more obtuse this problem wouldn't exist.
May 24, 2016
1 year ago
2016 Yamaha FZ-09
Bang For The Buck
3 / 5
Ease Of Install
3 / 5
4 / 5
This product takes care to install.
When installing on the throttle grip, be sure not to press it tight agains the rotating handle or the throttle will stick.
February 9, 2016
2016 Yamaha FZ-07
Bang For The Buck
5 / 5
Ease Of Install
5 / 5
5 / 5
Piece of cake
Very easy to install once you figure out how it goes together on a 2011 Ducati Monster. Don't need the included spacer to make it work.
June 30, 2014
Bang For The Buck
3 / 5
Ease Of Install
3 / 5
3 / 5
A little pricey, but necessary.
Considering the already high price of CRG mirrors, it seems a little ridiculous for them to make you pay *another* $20 for each handlebar just to be able to fit the mirrors. (The instructions say that if you don't want to spend the extra money, you can just "move all of your controls inward," as if that's something you can easily accomplish in 2 minutes with your bare hands.) And, the instructions are a little light on detail -- it takes a little figuring out before you realize that the thing works like a giant origami puzzle, and you have to get the pieces to fit together just so, hold them together and hope they don't come apart before you get them inside your bars. Once you've figured all that out, though, the installation is quick, and they work like a charm. Rated them as "average" on durability because I've only had them on the bike for a month or so. However, they seem pretty sturdy, and unless I drop the bike on its side, I don't see them coming off or falling apart anytime soon.
August 5, 2014
2004 Suzuki SV650
Bang For The Buck
5 / 5
Ease Of Install
5 / 5
5 / 5
Had to have them but they work perfect and look great!
I had to buy these for my crg bar end mirrors to fit on my 2007 Ducati Monster 695. At 1st i thought they were a bit pricy but the end result is great! They are easy to install and work perfect.
March 10, 2014
2007 Ducati Monster 695
Bang For The Buck
5 / 5
Ease Of Install
5 / 5
5 / 5
Accept no substitues
Before I purchased these adapters I tried to use an off-brand bar-end adapter from another website. They didn't fit quite right, didn't go in all the way, and I couldn't get them to come out. As a result, I had to replace my handlebars completely and put the proper CRG adapters on them. They fit flush against the end of the bars (1" outer diameter - Triumph Thruxton) and look great!
July 7, 2014
2013 Triumph Thruxton
Bang For The Buck
5 / 5
Ease Of Install
5 / 5
5 / 5
Love these things!
After picking up some Rizoma bars my CRG hindsights wouldn't fit. These cured the problem. Very easy to install (just read the instructions if you get confused. The picture will show you how to use the slanted spacers) and work perfectly. No vibration in my crg's using these.

I haven't crashed them so idk how they hold up but they hold the mirrors perfect and look great. Very happy with these, if you need them, don't hesitate to buy them.
March 31, 2014
Bang For The Buck
5 / 5
Ease Of Install
3 / 5
5 / 5
Great Adapter
For my FZ8

I gave 3 stars for "installation" because it took some work to remove excisting bar end adapter. After all was said and done. The adapter work perfectly and CRG mirrors look AWESOME as well!!!
September 22, 2014
2011 Yamaha FZ8
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 37 questions Browse 37 questions and 89 answers
Why did you choose this?
RevZilla Store
Needed these for my CGR Hindsight Bar End Mirrors
David C on Oct 24, 2017
cause the mirrors dont come with proper installation hardware. thanks guys . :/
James S on Sep 30, 2017
Needed these for my CGR Hindsight Bar End Mirrors
David C on Oct 24, 2017
Thought it was needed for the mirrors
Gerard M on Oct 5, 2017
cause the mirrors dont come with proper installation hardware. thanks guys . :/
James S on Sep 30, 2017
wanted to put new mirrors on bike
A C on Sep 8, 2017
Because Joker Machine mirrors were too expensive!
C R on Sep 6, 2017
Needed them for the CRG mirrors
Roy H on Aug 26, 2017
to mount the mirrors I already had
Craig M on Aug 24, 2017
Needed to install my CRG mirrors
Frank S on Aug 10, 2017
easy to mount and necessary for crg bar end mirror
Eric D on Jul 16, 2017
got this to fit the mirrors on my honda
Ameer E on Jul 8, 2017
To mount the bar end mirrors I just bought.
James M on Jul 6, 2017
Fits Monster 821 and ordered the CRG hindsights
Mario F on Jun 23, 2017
Necessity to mount crg blindsight bar end mirror to yamaha fz-07 handlebars.
X X on Jun 23, 2017
for my husband's bike - safety! (exchanging red for black b/c the reds don't match)
Sandra S on Jun 20, 2017
I don't possess enough magic to keep the bar end mirrors attached to my bike.
Michael O on Jun 15, 2017
because I had too.
Steven S on Jun 12, 2017
replacement.after knucklehead knocked over my bike,
Shannon T on Jun 8, 2017
I bought the Billet as a precaution just in case my CRG hindsight Lanesplitter bar end mirrors did not fit my Triumph Daytona 675r.
O'Brian C on Jun 1, 2017
adapters needed to install the mirrors
patrick s on May 29, 2017
To work with the CRG bar ends i purchased.
Dominic F on May 7, 2017
Required for mounting on my 2016 FZ-09.
Brent O on May 6, 2017
RYAN M on Apr 26, 2017
Paul S on Apr 25, 2017
CRG said I needed it for my bars.
Tanin K on Apr 22, 2017
to install end mirror, but not compatible 2013+ triumph street triple
Adam J on Apr 12, 2017
Looking to fit bar end mirrors and need a well made , easy fit adapter that will fit various mirror clamps.
Richard H on Mar 24, 2017
Because they're required to mount the mirrors.
Robert V on Mar 6, 2017
bought for driven d axis mirror
Shane C on Mar 6, 2017
mirror wouldn't fit without this
yamal d on Feb 22, 2017
Lucas B on Feb 20, 2017
I've used these in the past and they work very well.
Mike V on Feb 11, 2017
Needed them to mount my awesome bar end mirrors.
Byron P on Feb 7, 2017
needed for mirrors to work.
Chris S on Feb 7, 2017
Purchased Arrow Bar end mirrors at same time
Stephen T on Jan 2, 2017
have now used and reused this product on different bikes...
Brian C on Dec 29, 2016
Didn't need these
David B on Nov 30, 2016
thought I'd need it but I don't. still keeping for future bikes
HyunSoo D on Oct 16, 2016
best option if you can't bolt on directly.
utahusker on Sep 9, 2016
Have to buy for mirrors.
Taehoon C on Sep 3, 2016
perfect and simple on my monster 1200s
james r m on Sep 1, 2016
Finally found an adapter that fits the Ducati bar end size (15.5mm)!!
Erik P on Aug 29, 2016
The video was great and completely sold me for both the adapter and mirrors
Ryan P on Aug 27, 2016
Thought I was to need them, for the mirrors I got. Turns out, I didn't. I just attached the mirrors directly to the bar ends themselves.
Phil N on Aug 19, 2016
Needed this to install my CRG Hindsight Lanesplitter Bar End Mirror
Ben C on Aug 18, 2016
For bar end mirrors
Phon H on Aug 13, 2016
bar end mirror won't mount w/o these
s m on Aug 9, 2016
Benjamin H on Aug 2, 2016
Turns out the adapter is necessary to fit on the 2015 CBR300R.
Walter B on Aug 1, 2016
It was recommended for the crg bar end mirrors I purchased
Kerry M on Jul 30, 2016
CRG Billet Adapter nice upgrade for CRG mirror easy install
Christopher L on Jul 28, 2016
Thought it was needed for the mirrors
Gerard M on Oct 5, 2017
wanted to put new mirrors on bike
A C on Sep 8, 2017
which one should i get for a 2014 Ducati Monster 1200S?

Martin P on Jun 14, 2015
BEST ANSWER: Hi.this adapter is for panigale 1299 2017? I buy the crg arrow bar end mirror and I need the adapter.
i have a 2008 honda cbr600rr and was wondering if this would fit on the throttle side of my bike without any other modifications or add ons?
A shopper on Jul 21, 2014
BEST ANSWER: I ride an 09 CBR600RR and it fit with no problem. Make sure you order the right size and you're good.
What size do i need for a 2015 fz-09 for the arrow mirrors?
Kevin A on Apr 28, 2016
I purchased this product to adapt the CRG Arrow Bar End Mirrors on my 2015 Yamaha FZ-07. The none throttle side works perfect, however, on the throttle side when the adapter is tightened it causes the throttle to stick. The grip is completely clear which I read elsewhere that was the issue in some cases. Any suggestions on a solution?
A shopper on Aug 15, 2014
BEST ANSWER: I installed mine on a 2014 FZ-09, which probably has similar bar end configuration. The handlebar weights thread into the handlebar and form the end of the handlebar surface. Once the stock weights are removed, the actual handlebar is recessed into the grip about .5". That is why the adapter causes drag on the throttle; obviously and an unsafe condition. It was not feasible to re-locate the controls inward due to space. The only proper solution is to replace the handlebar with an aftermarket handlebar that allows the end of the handlebar to extend to the end of the grips. I used a Renthal Fatbar on my FZ-09. The FZ-07 uses a conventional 7/8" tubular handlebar; finding a suitable replacement should not be difficult.
Do I need the 7/8" for a 2015 Ducati Monster 821?
A S on Aug 11, 2015
BEST ANSWER: 7/8" for the Monster 821 ( it's a 16 mm diameter opening )
Can you mount a bar-end slider onto the end of this this adapter?
A shopper on Jun 24, 2014
BEST ANSWER: They can mount on the end of the adapters, but you would need longer bolts and you would most likely have issues with them being in the way of properly adjusting the mirror. Also, most bar ends have a ridge and are not flat on the side that mount to the clip-on.
What size would I need for a 2017 Honda PCX 150? Thank you!
A shopper on Jan 23, 2017
Are these sold separate or Qty 1 = 1 Set?
A shopper on Oct 25, 2016
BEST ANSWER: Sold separate, you will need two for two mirrors.
I have a 2014 Ducati Monster 796, i took off the end cap of the handle bar and looks like the inside is hollow with nothing to screw the adapter onto. Does it just snap into place with the 7/8 attachment? Ive seen videos where the adapter has to be screwed in with an allen wrench.. thanks
A shopper on Aug 7, 2015
BEST ANSWER: It's kinda fiddly. You have to put the pieces of the adapter together kinda like a puzzle. Depending on the diameter of your bars, you might need all four metal pieces (for larger bars), or just two (for skinner bars). Then, sort of holding everything together, you slip the adapter inside your bar and start screwing with the allen wrench -- the farther the screw goes in, the more adapter expands, and the pressure against the inner walls of the bar holds it in place. The really hard part is making sure that the all of the little metal pieces stay in the proper orientation while you're screwing -- if they fall out of place, then the screwing/pressure doesn't work, and you have to start over. Or--God forbid--if you drop one and it falls down inside your handlebar, they're not magnetic, so you'll have to fish it out with a coat hanger or something.
does it come with one or two?
William T on Mar 17, 2015
BEST ANSWER: If I remember correctly it came with one. You can check with their customer service. They are super nice and will be happy to help.
74 Customer Reviews
74 4/5
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36 Questions & 39 Answers
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