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BMX handlebars

Old 09-03-09, 03:05 PM
  #1  
Chabi Boni
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BMX handlebars

I have a Cannondale Bad Boy which I believe comes with a 31.8 diameter flatbar. I would like to change it to something more like a BMX handlebar, because it will provide a lot more rise. Before knowing that there were substantial differences in diameters, I got a BMX bar which I thing may be a 22mm bar. I don't think a shim would be prudent here, but I was wondering if anyone had any ideas on how I could do this. Are there BMX clamps that will work on a mountain bike setup like the bad boy? Alternatively, are there any, more professional "tubes" for lack of a better word that could serve as a shim here?

On the other hand, are there any BMX style bars that could fit a 31.8 mm bar?

I suspect I will get some flack on the stupidity of my predicament, but any positive input would be greatly appreciated.
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Old 09-03-09, 03:54 PM
  #2  
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Correct me if im wrong. But cant he just slap on a BMX stem and put bars on?
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Old 09-03-09, 04:31 PM
  #3  
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Why would you want to do that
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Old 09-03-09, 11:40 PM
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Get a race stem or something like that. Looks like a mtb stem for the most part. It is a 1-1/8 it will work.
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Old 09-04-09, 09:48 AM
  #5  
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yeah the fork steerer should be standard size, just swap to a bmx stem.
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Old 09-07-09, 02:13 PM
  #6  
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Originally Posted by MY26INCHCRUISER View Post
Why would you want to do that


If its the type of bike im thinking(road bike) its hell on your back bending over for the handle bars all the time, i was going to do this mod to my Gicante when i have to replace my stem.
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Old 09-07-09, 04:36 PM
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Originally Posted by MY26INCHCRUISER View Post
Why would you want to do that
Ha! Well, mainly beucase the bike is a little small for me, I am using it for a commuter, and the BMX handle mbars make so much sense. It allows me to sit up straight (which is important as i am riding about 15 miles a day), and, as a guy who is 6'1" and 235 lbs, nothing is more durable than a BMX setup in my mind.

Finally, how awesome would it be to have a full sized comfort bike that still looked like a BMX? In a land of single speed hipster kids, I would be happy to stand out a little.
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Old 01-28-19, 11:51 AM
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This is the way of the future. Drop down bars are really not functional with commuting or casual cycling.
I recently put BMX bars on my single speed commuter bike. I will never go back.
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Old 01-29-19, 06:10 AM
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Sitting straight up is generally not such a hot idea for longer rides as it puts more weight on your butt and makes it more difficult pedal effectively.
And increases air drag.

Seems like the Bad boy is listed as having an 1 1/8" steerer, which would make swapping in another stem with the bar clamp diameter of your choice easy.
Although I wouldn't hesitate to use shims.
Should be something on this list that'll work:https://www.amazon.com/s/ref=nb_sb_n...ebar+shim+31.8
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Old 01-29-19, 06:25 AM
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https://www.amazon.com/Wake-Mountain...MS013M7W1JQFRD
You will probably need longer cables also.
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Old 01-30-19, 01:06 AM
  #11  
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My '90's Giant mtb with 9 inch bmx bars
I needed a stem adapter but all you need is a bmx stem, bars and longer cables.
I'm looking for some low rise (4-5 inch) bars but they are hard to find.
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Old 02-01-19, 12:40 PM
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your bar is the newer oversize, 31.8 is 1.25" essentially.. BMX bars are 7/8" tube at the clamp (& all the tubing) 22.2 mm

Machined shims are made you want one with a 22.2 inside and a 31.8 outside to continue using the stem you have..

the difference, in radius , so machined shim thickness is 4.775 mm [1/2 9.55.. in combined difference of 2 diameters..]
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Old 02-08-19, 02:58 PM
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y'all do realize this thread is almost a decade old, and the op hasn't logged in for about 6 years?
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Old 02-08-19, 08:51 PM
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Originally Posted by jan230 View Post

My '90's Giant mtb with 9 inch bmx bars
I needed a stem adapter but all you need is a bmx stem, bars and longer cables.
I'm looking for some low rise (4-5 inch) bars but they are hard to find.
looks very comfortable to ride
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Old 02-10-19, 08:27 AM
  #15  
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I used be a BMX rider exclusively. Now that I'm older, I got a Cannondale Bad boy 1 recently. Then...I see your post. You might have tickled something in me.
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