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Brompton Low rise bar

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Old 04-07-18, 03:17 AM
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krashtest
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Brompton Low rise bar

I'm looking to get the Brompton low rise handlebar black edition (along with the integrated bell/shifter). I have an M3L with what I assume is the HBS-stem.

I'm a little confused on what's required to have this done. I was under the impression that I have to replace the stem for the extended version with the low rise handlebar. Someone else that wasn't necessary (?!) I would just like some clarity before heading into the shop.

Cheers,
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Old 04-07-18, 04:42 AM
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Originally Posted by krashtest View Post
I'm looking to get the Brompton low rise handlebar black edition (along with the integrated bell/shifter). I have an M3L with what I assume is the HBS-stem.
What is an HBS-stem?
What to you call a "Brompton low rise handlebar"?


Originally Posted by krashtest View Post
I'm a little confused on what's required to have this done. I was under the impression that I have to replace the stem for the extended version with the low rise handlebar. Someone else that wasn't necessary (?!) I would just like some clarity before heading into the shop.
If you have a M-Brompton made before 2017 and you want to use the handlebars that are supplied for the M from 2017 on you can simply use them on your existing stem but will end up with the grips being a couple of cms lower than before. If you want to achieve the same height as before you would have to change the stem to the newer version, too.
If you have a Brompton made from 2017 on you can just switch the handlebars to post-2017 black edition and nothing will change as they are identical heightwise.
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Old 04-07-18, 07:21 AM
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Originally Posted by berlinonaut View Post
What is an HBS-stem?
What to you call a "Brompton low rise handlebar"?
Thanks for your reply. See the attachment on the stem details.

This link has the low rise handlebar.

It's very similar to the standard model, but with a bit of more aggressive look and it's lower.
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Last edited by krashtest; 04-07-18 at 07:23 AM. Reason: spelling, grammer.
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Old 04-07-18, 07:25 AM
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Originally Posted by berlinonaut View Post
If you have a M-Brompton made before 2017 and you want to use the handlebars that are supplied for the M from 2017 on you can simply use them on your existing stem but will end up with the grips being a couple of cms lower than before. If you want to achieve the same height as before you would have to change the stem to the newer version, too.
This is what I thought as well, curious on why someone informed me that I had to change the stem as well. Ideally, I would like to have the height as I find my hands/wrists hurt after a long ride. Though I'm hoping that ergo grips might alleviate that.
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Old 04-07-18, 07:48 AM
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Hand discomfort is why so many use Ergon type grips and bar ends. Other factors include how far fore or aft the saddle is and saddle height. I like bar ends because the hand position doesn`t put as much weight on the nerve running up the middle of the palm and because it gives me a more aerodynamic position with headwinds.
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Old 04-07-18, 07:51 AM
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Originally Posted by krashtest View Post
It's very similar to the standard model, but with a bit of more aggressive look and it's lower.
It IS the standard model. In 2017 Brompton changed the bars and the stems of the H an M models, making the bars lower and the stems higher. Overall height is therfore still the same. What you call a lower bar is just the actual standard. If you mount a lower bar to a low M-stem this works but you will - surprisingly - end up lower than before.
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Old 04-07-18, 08:07 AM
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Originally Posted by krashtest View Post
curious on why someone informed me that I had to change the stem as well.
Possibly because that person did not know what she was talking about.
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Old 04-07-18, 09:28 AM
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Originally Posted by fietsbob View Post
AFAIK, As a part of the aforementioned post-2017 M bar redesign, the bar shaft/mast height changes as well to keep combined height similar.

If your goal is to reduce the bar height on a pre-2016 bike , then you get that newest M style handlebar..
Do you sometimes read the threads that you are posting to before you post?
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Old 04-07-18, 09:30 AM
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Originally Posted by krashtest View Post
This is what I thought as well, curious on why someone informed me that I had to change the stem as well. Ideally, I would like to have the height as I find my hands/wrists hurt after a long ride. Though I'm hoping that ergo grips might alleviate that.
That 'someone' is saying the same thing these guys are saying.... if you want to maintain the same height with new 2017+ low rise bars, then the stem needs to change to - basic eyeball math actually.

EDIT: or get one of those Aber Hallo Stems to make up the space.

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Old 04-07-18, 02:24 PM
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Originally Posted by berlinonaut View Post
It IS the standard model. In 2017 Brompton changed the bars and the stems of the H an M models, making the bars lower and the stems higher. Overall height is therfore still the same. What you call a lower bar is just the actual standard. If you mount a lower bar to a low M-stem this works but you will - surprisingly - end up lower than before.
Gotcha. My Brompton is a 2013. Iíll ride lower and see how I feel with ergo grips before swapping the stem.
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