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Bar ends on Trek 7.4 FX w/Satellite Plus IsoZone handlebars

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Bar ends on Trek 7.4 FX w/Satellite Plus IsoZone handlebars

Old 02-11-15, 11:13 AM
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Redflea
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Bar ends on Trek 7.4 FX w/Satellite Plus IsoZone handlebars

I have been looking at bar ends for my Trek 7.4 FX (2014).

This one - Bontrager Race Lite Ergo Bar Ends (Bontrager: Race Lite Ergo Bar Ends (Model #11638)) looks like it would meet my needs for an additional hand position and seemed like it would integrate w/my setup.

However, I'm getting conflicting information. The listing on the Bontrager site says:

"Adapters sold separately (436187) allow compatibility with Satellite Plus IsoZone handlebar" (Which is the handlebar I have.)

When I talked w/a tech online I thought he said I would remove the plug at the end of the existing isozone grip, insert the bar end adapter, and then attach the Race Lite bar end to the adapter. No need to move the grips/shifters inward.

But when I went into my local Trek store they said they would slide in the shifters/grips, slide the bar end on, tighten things up and be done. No adapter.

So I'm a bit confused - is anyone familiar w/these bar ends? I can't even find a picture of the adapter or a place to order it online...searched on Bontrager site via name and part number, searched web via name and part number and not finding it.
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Old 02-11-15, 11:31 AM
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The gars have a non round grip and end section to allow for the Iso padding to be under the grip. So and grip or bar end fitting (like a mirror) has to have a shape which fits the non round bar. A bar end and the stress it can see when really cranking hard is especially important to have the clamping secure.

I haven't tried to install a bar end on these bars (but have done many mirrors) so can't speak directly to any adapters being needed but that doesn't surprise me. What I do take note about is the shop's willingness to offer to mount bar ends on a bar in a manor that the bar end manufacturer didn't suggest. That's a no no in my book. So sight unseen I would fall back on the manufacturer's guide lines and keep an eye on the other stuff the shop says in the future.

This is one of the reasons that I don't like to suggest parts that have their own unique ways of fitting together. These designs limit your options and sometimes back you into a corner. If you find that the bar end mount isn't as secure or positionable as you wish consider getting the far more common fully round bars and associated grips/bar ends. Andy.
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Old 02-11-15, 11:51 AM
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what he said get a non round bar end made by Them to fit their Non Round Bars..

Trek dealer installing Trek parts, specifically made for their proprietary bar, and you have the companies behind them backing up their work..


I too have just round tube bars on my bikes.. consider a whole different bar substitute ? you choose..
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Old 02-11-15, 12:18 PM
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Thanks for your replies!

The interesting part is these are all Bontrager parts which are designed for use on the stock Bontrager handlebars that came w/the bike, so I guess the Trek store I went to/mechs I spoke to have just never done them before:

- Stock handlebars: Bontrager Satellite Plus IsoZone
- Bar ends: Bontrager Race Lite Ergo Bar ends
- Adapter: Bontrager adapter sold separately (436187) allow compatibility with Satellite Plus IsoZone handlebar

I am going to contact another local Trek store to see if they more familiar. I did find where to order the adapters on the the page below. It's an odd process using the drop-downs on the page two times, first to add the adapter, and then the bar ends to your card. There is no picture of the adapter, which I'd really like a look at.

Bontrager Race Lite Ergo Bar ends - Bar Ends - Handlebars - Components -Trek Store
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Old 02-11-15, 04:37 PM
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Got some clear info from another a Trek store...the adapter goes into the bar, and the bar end mounts on it. No need to move to grips in at all.
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Old 02-12-15, 01:05 AM
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Is the issue of moving or not moving the grips so important? Once the mechanic has the adapters in hand it will be self evident how they install.

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Old 02-12-15, 07:30 AM
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Originally Posted by Redflea View Post
Got some clear info from another a Trek store...the adapter goes into the bar, and the bar end mounts on it. No need to move to grips in at all.
Originally Posted by Bezalel View Post
Is the issue of moving or not moving the grips so important? Once the mechanic has the adapters in hand it will be self evident how they install.

I've installed these a couple of times. The grips, shifters/brake levers will have to move inward about 1cm for bar end install. Check out the pic Bezalel posted -- the kit is simply a shorter section of isozone rubber, and an endcap which fills out the diameter of the bar, taking the place of what was formerly isozone rubber insert. Yes, you do need the kit; yes it will move your grips and controls in slightly.

I'm really surprised either shop has no experience with this--the system's been around for a couple years, bar ends are an easy accessory upgrade sale, our shop stocks the adapters right next to the bar ends. If you ever want a bar end mirror, they make a special mirror for the isozone bars as well.
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Old 02-12-15, 09:17 AM
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Originally Posted by mconlonx View Post
I've installed these a couple of times. The grips, shifters/brake levers will have to move inward about 1cm for bar end install. Check out the pic Bezalel posted -- the kit is simply a shorter section of isozone rubber, and an endcap which fills out the diameter of the bar, taking the place of what was formerly isozone rubber insert. Yes, you do need the kit; yes it will move your grips and controls in slightly.

I'm really surprised either shop has no experience with this--the system's been around for a couple years, bar ends are an easy accessory upgrade sale, our shop stocks the adapters right next to the bar ends. If you ever want a bar end mirror, they make a special mirror for the isozone bars as well.

I think this speaks to the lack of popularity of bar ends, at least in some shops. Where I work most of the staff poo poo bar ends while I really like them. I probably sell half the bar ends we move even though I'm about the last staff to go out onto the sales floor. Andy.
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Old 02-12-15, 09:35 AM
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If you are only a casual rider, you will see no need for bar ends, or any other hand position.

Once you start putting real miles on your bike, the need is self evident............

When that happens, you will even get picky on the bar ends you want, and the handgrips you will end up using.
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Old 02-12-15, 04:45 PM
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Was recently looking at the same bar end "system" for my own 2015 7.4fx, so this thread is of interest.
How "moveable" are those ends?

I didn't know there was a mirror designed for the isozones as well.
What about if I need both the ends and the mirror? mconlonx do you know if it's possible to install both instead of choosing one or the other (in which case I'd go with the bar ends and pout about it)?
thanks! (thread hijacking officially over),
Tatt
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Old 02-12-15, 05:10 PM
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Originally Posted by tattman23 View Post
Was recently looking at the same bar end "system" for my own 2015 7.4fx, so this thread is of interest.
How "moveable" are those ends?

I didn't know there was a mirror designed for the isozones as well.
What about if I need both the ends and the mirror? mconlonx do you know if it's possible to install both instead of choosing one or the other (in which case I'd go with the bar ends and pout about it)?
thanks! (thread hijacking officially over),
Tatt
I don't think it's possible to install the Mirrycle LTD Mirror with the Bar End Adapter. I'd look for a mirror that can be attached to a bar end (or get the Topeak Bar'n Mirror).
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Old 02-12-15, 05:59 PM
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Originally Posted by mconlonx View Post
I've installed these a couple of times. The grips, shifters/brake levers will have to move inward about 1cm for bar end install. Check out the pic Bezalel posted -- the kit is simply a shorter section of isozone rubber, and an endcap which fills out the diameter of the bar, taking the place of what was formerly isozone rubber insert. Yes, you do need the kit; yes it will move your grips and controls in slightly.

I'm really surprised either shop has no experience with this--the system's been around for a couple years, bar ends are an easy accessory upgrade sale, our shop stocks the adapters right next to the bar ends. If you ever want a bar end mirror, they make a special mirror for the isozone bars as well.
That bar end you posted a picture of is not the bar ends that I was referring to...these are the ones I'm referring to:

https://s7d4.scene7.com/is/image/Trek...0,0&iccEmbed=0

And what the trek store tech told me was that you remove the existing plug on the isozone grip, the adapter goes in, and the bar-ends mound on the adapter - shifters/brakes/levers don't move. He may be wrong, but he seemed to have experience installing them, and that was how he said it works for these particular bar ends.
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Old 02-12-15, 06:23 PM
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Originally Posted by Redflea View Post
That bar end you posted a picture of is not the bar ends that I was referring to...these are the ones I'm referring to:

https://s7d4.scene7.com/is/image/Trek...0,0&iccEmbed=0

And what the trek store tech told me was that you remove the existing plug on the isozone grip, the adapter goes in, and the bar-ends mound on the adapter - shifters/brakes/levers don't move. He may be wrong, but he seemed to have experience installing them, and that was how he said it works for these particular bar ends.
Well goodness, those bar ends are something new to me. So I guess I shouldn't harsh on other LBS techs... Go with the advice of someone who knows them, your local dealer...
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Old 02-12-15, 06:51 PM
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Originally Posted by mconlonx View Post
Well goodness, those bar ends are something new to me. So I guess I shouldn't harsh on other LBS techs... Go with the advice of someone who knows them, your local dealer...
LOL...yeah, I hadn't seen anything like them before either. I'm holding on adding them until I actually ride the bike for a while (what a concept, actually use the bike before changing twelve things on it).
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Old 06-04-16, 04:55 PM
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Bringing up an old thread, but was the steps you indicated above what ended up being required to install the bar ends?
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Old 04-22-17, 02:36 PM
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bump. Just ordered both Bontrager BAR277842950 and Bontrager BAR 46129236S

Looking to see how the bar ends and adapter install went. Was it necessary to move the grips etc?
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Old 08-17-17, 09:58 AM
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Same here, I'll looking for clarification, amazed that both the adapter and the bar ends came with no instructions.
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