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31.8mm bars and stems - do you run 'em?  RSS Feed

#1 2019-02-05 4:21pm

MickRich393
Pro Member
From: Kanagawa, Japan
Registered: 2010-08-29
Posts: 3600
Bikes: 8

31.8mm bars and stems - do you run 'em?

I know that quite a few riders made the switch to the larger diameter stems when Box first brought out the Maximus bars, but thought that their popularity had been waning in recent years. Then whilst looking at 31.8mm stems online, I noticed that Elevn recently released a new model:-

http://uploads.bmxmuseum.com/user-images/47558/elevn-overbite-stem5c5a26a95a.jpg

Presumably there must still be a market for them if Elevn have jumped on the bandwagon. That then got me thinking, how many of you actually run the 31.8mm set-up? If yes, why? If no, why not?

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#2 2019-02-05 5:35pm

brettweir89
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From: NW Indiana
Registered: 2013-08-26
Posts: 518
Bikes: 2
For Sale: 1

Re: 31.8mm bars and stems - do you run 'em?

I did the Box Maximus / Delta combo for awhile. I'm sure they were stiffer / stronger than I would ever be able to take advantage of. So, went back to traditional bars and stem which I personally find more aesthetically good looking and plenty strong enough for me.


So long as the paperwork is clean, you boys can do what you like out there. -Fifi McAffee (MFP)

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#3 2019-02-05 5:56pm

MickRich393
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From: Kanagawa, Japan
Registered: 2010-08-29
Posts: 3600
Bikes: 8

Re: 31.8mm bars and stems - do you run 'em?

Yeah, I saw you'd had those then sold them. big_smile

I'm in the same boat though my set-up has been on the bike since it was built up, so have stuck with them.

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#4 2019-02-05 7:46pm

Drawn
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From: Australia
Registered: 2016-10-15
Posts: 77
Bikes: 2

Re: 31.8mm bars and stems - do you run 'em?

Would assume like a lot of the tech, it had come over from the mountain bike world.
BMX seems to wait and see where they settle and then take advantage of that development without the 50 changes they make along the way.
Then over time it does take a while for it to take off properly and fully come into style.

Just look at disc brakes. They came out in early 2000s. (Still want to chase down a Norco Speed Metal Madill model)
They died off because they dragged and all it took was someone to hit your disc and suddenly you have resistance to fight against.
But they are now coming back into fashion.
Could be a similar scenario.

Personally I just run normal bars and stems, more options with heights and bends on bars along with stems either top load or front load.

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#5 2019-02-06 9:34am

ChaseDyno-Bmx
Pro MemberX2000
Registered: 2018-12-25
Posts: 2491
Bikes: 5

Re: 31.8mm bars and stems - do you run 'em?

I Feel The Same As Brett , I just didn’t like the Looks.


Different Strokes For Differences In Folks Makes Us Who We Are

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#6 2019-02-09 8:47pm

MickRich393
Pro Member
From: Kanagawa, Japan
Registered: 2010-08-29
Posts: 3600
Bikes: 8

Re: 31.8mm bars and stems - do you run 'em?

Drawn wrote:

Would assume like a lot of the tech, it had come over from the mountain bike world. BMX seems to wait and see where they settle and then take advantage of that development without the 50 changes they make along the way. Then over time it does take a while for it to take off properly and fully come into style.

Just thinking aloud here, but given the greater variety and choice of 31.8mm mtb stems, would running one on a bmx be a big no-no? I ask since quite a few of the mtb stems look quite similar to front load bmx stems.

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#7 2019-02-10 1:18pm

Drawn
Member
From: Australia
Registered: 2016-10-15
Posts: 77
Bikes: 2

Re: 31.8mm bars and stems - do you run 'em?

MickRich393 wrote:

Drawn wrote:

Would assume like a lot of the tech, it had come over from the mountain bike world. BMX seems to wait and see where they settle and then take advantage of that development without the 50 changes they make along the way. Then over time it does take a while for it to take off properly and fully come into style.

Just thinking aloud here, but given the greater variety and choice of 31.8mm mtb stems, would running one on a bmx be a big no-no? I ask since quite a few of the mtb stems look quite similar to front load bmx stems.

Only struggle might be finding the right length that you would want.
A lot of BMX stems for pros are in the 45-55mm range give or take.
MTB stems, aren't always in that length range.

If you find the right length you would like, then there should be no issue.
Just ensure they are also for 1 1/8 steerer tubes.

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#8 2019-02-12 2:58am

MickRich393
Pro Member
From: Kanagawa, Japan
Registered: 2010-08-29
Posts: 3600
Bikes: 8

Re: 31.8mm bars and stems - do you run 'em?

So out of curiosity I’ve been having a look at some shorter (40mm) mtb stems and these all get good reviews:-

1. Truvativ Hussefelt
http://uploads.bmxmuseum.com/user-images/47558/74a4db6f-5ad8-4eb4-aa3a-f7771ee68c735c62a3b857.jpeg

2. Truvativ Holzfeller
http://uploads.bmxmuseum.com/user-images/47558/da8afdec-53b1-42b9-b953-448173f846565c62a408f2.jpeg

3. Thomson Elite X4 -
http://uploads.bmxmuseum.com/user-images/47558/ded938a1-f2eb-4262-a020-b467539231d45c62a45141.jpeg

Last edited by MickRich393 (2019-02-12 4:28am)

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#9 Today 4:00am

MickRich393
Pro Member
From: Kanagawa, Japan
Registered: 2010-08-29
Posts: 3600
Bikes: 8

Re: 31.8mm bars and stems - do you run 'em?

Was out racing today and spotted an interesting stem up on the start hill. Closer inspection during lunchtime confirmed my initial suspicions - it was an mtb stem:-

http://uploads.bmxmuseum.com/user-images/47558/6ab7686c-3c26-40ef-9fa8-7a9dec162ad35c694a579d.jpeg

http://uploads.bmxmuseum.com/user-images/47558/d322be84-b2aa-4904-9797-2191081c392a5c694a6e04.jpeg

The amusingly-named but cool-looking Spank Industries Spike stem. 31.8mm with a 35mm reach, it’s smaller than I’m thinking of trying but I liked it.

Last edited by MickRich393 (Today 4:01am)

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#10 Today 6:08am

brettweir89
Pro Member
From: NW Indiana
Registered: 2013-08-26
Posts: 518
Bikes: 2
For Sale: 1

Re: 31.8mm bars and stems - do you run 'em?

Looks cool but too short. Steering would be twitchy as hell IMHO


So long as the paperwork is clean, you boys can do what you like out there. -Fifi McAffee (MFP)

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#11 Today 8:07am

blammo585
Museum Addict
Registered: 2013-02-17
Posts: 1908

Re: 31.8mm bars and stems - do you run 'em?

Yeah that may only be good for an Expert or a Junior frame.

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#12 Today 4:39pm

MickRich393
Pro Member
From: Kanagawa, Japan
Registered: 2010-08-29
Posts: 3600
Bikes: 8

Re: 31.8mm bars and stems - do you run 'em?

The guy was a younger class rider on, I think, a pro-sized (DK) frame but in any case I wouldn’t go as small as 35mm. That said, I don’t think my original idea of changing from my current 53mm (Promax Impact) to a 48mm is going to make much of a difference. In my question of geometry thread IPD suggested going even smaller and I quite like the idea of a 40mm Truvativ Hussefelt, as pictured above! It’s looks beefy but is actually lighter than the Promax Impact (both the 53mm and 48mm versions) and won’t break the bank. If it’s too small then I should be able to sell it on as it seems to be a popular stem in the mtb world.

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