Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

User Tag List

Reply
 
Thread Tools Search this Thread
Old 04-01-09, 12:06 PM   #1
ALaS
click. click click.
Thread Starter
 
Join Date: Feb 2009
Bikes: Leader 725TR http://velospace.org/node/23532
Posts: 222
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
A reputable Short stem 75-80mm?

Hi,

I'm looking to get a shorter stem (to compensate for a longer Top Tube) that is about 75mm to be exact. Well, 75mm-80mm would work fine. I was recommended the Nitto Threadless UI-5GX stem, but it looks like the shortest they go is 90mm.

What are the effects of getting such a short stem? Twitchiness in handling? Less stability? Any pros?

Also, is it not wise to get a shorter stem to compensate for a longer top tube? Should I worry about stem angles?

Thanks guys for your patience!

Ericson Calderon

Last edited by ALaS; 04-01-09 at 03:37 PM.
ALaS is offline   Reply With Quote
Old 04-01-09, 12:13 PM   #2
jhaber
Hip-star
 
jhaber's Avatar
 
Join Date: Jul 2007
Location: Calgary, Alberta, Canada
Bikes:
Posts: 630
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
http://www.lhthomson.com/elite_stem_sizes.asp

http://www.lhthomson.com/elite_x4_sizes.asp
jhaber is offline   Reply With Quote
Old 04-01-09, 12:36 PM   #3
Nightdiver
7ft of Cet-Bak
 
Nightdiver's Avatar
 
Join Date: Oct 2008
Location: Out and about
Bikes:
Posts: 291
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
http://www.benscycle.net/index.php?m...8_263_1333_717
Nightdiver is offline   Reply With Quote
Old 04-01-09, 08:30 PM   #4
ALaS
click. click click.
Thread Starter
 
Join Date: Feb 2009
Bikes: Leader 725TR http://velospace.org/node/23532
Posts: 222
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks guys. How will a smaller stem affect the handling or "feel" of the bike?
ALaS is offline   Reply With Quote
Old 04-01-09, 09:10 PM   #5
JiveTurkey
Low car diet
 
JiveTurkey's Avatar
 
Join Date: Aug 2007
Location: Corvallis, OR, USA
Bikes: 2006 Windsor Dover w/105, 2007 GT Avalanche w/XT, 1995 Trek 820 setup for touring, 201? Yeah single-speed folder, 199? Huffy tandem.
Posts: 2,407
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
It'll make the steering faster because smaller movements will make the same angle as a larger movement on a longer stem. But you'll get used to it.
JiveTurkey is offline   Reply With Quote
Old 04-01-09, 11:45 PM   #6
Geordi Laforge
Large Member
 
Geordi Laforge's Avatar
 
Join Date: Nov 2008
Bikes:
Posts: 1,497
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
more twitchy, usually.
Geordi Laforge is offline   Reply With Quote
Old 04-02-09, 12:02 AM   #7
ALaS
click. click click.
Thread Starter
 
Join Date: Feb 2009
Bikes: Leader 725TR http://velospace.org/node/23532
Posts: 222
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Cool, as I suspected. Does that make sense to compensate stem for top tube? Can I do anything else?? Saddle position and angle? Stem angle?
ALaS is offline   Reply With Quote
Old 04-02-09, 12:04 AM   #8
Geordi Laforge
Large Member
 
Geordi Laforge's Avatar
 
Join Date: Nov 2008
Bikes:
Posts: 1,497
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
stem length usually accommodates for a longer or shorter tt, yes. But get the right size frame primarily and adjust from there.
Geordi Laforge is offline   Reply With Quote
Old 04-02-09, 12:08 AM   #9
JiveTurkey
Low car diet
 
JiveTurkey's Avatar
 
Join Date: Aug 2007
Location: Corvallis, OR, USA
Bikes: 2006 Windsor Dover w/105, 2007 GT Avalanche w/XT, 1995 Trek 820 setup for touring, 201? Yeah single-speed folder, 199? Huffy tandem.
Posts: 2,407
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by Geordi Laforge View Post
stem length usually accommodates for a longer or shorter tt, yes. But get the right size frame primarily and adjust from there.
+1. Proper reach = top tube length + stem length.

Saddle fore/aft is adjusted to achieve the correct position relative to the bottom bracket, NOT the handlebars.
JiveTurkey is offline   Reply With Quote
Old 04-02-09, 01:34 AM   #10
ALaS
click. click click.
Thread Starter
 
Join Date: Feb 2009
Bikes: Leader 725TR http://velospace.org/node/23532
Posts: 222
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I'm getting as close to my specs as possible. :]

Thanks guys.

I can't wait, I'm getting a bomb deal.
ALaS is offline   Reply With Quote
Old 04-02-09, 01:40 AM   #11
ALaS
click. click click.
Thread Starter
 
Join Date: Feb 2009
Bikes: Leader 725TR http://velospace.org/node/23532
Posts: 222
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Oh, and, can't you get a stem with an angle? are any adjustable?
ALaS is offline   Reply With Quote
Old 04-02-09, 12:06 PM   #12
CliftonGK1
Senior Member
 
CliftonGK1's Avatar
 
Join Date: Jul 2006
Location: Columbus, OH
Bikes: '08 Surly Cross-Check, 2011 Redline Conquest Pro, 2012 Spesh FSR Comp EVO, 2015 Trek Domane 6.2 disc
Posts: 11,380
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by ALaS View Post
Oh, and, can't you get a stem with an angle? are any adjustable?
You can pick and chose stems with varying degrees of rise and varying length. Honestly, I wouldn't use an adjustable stem as a permanent solution on any bike. They're good for playing around with postions and determining where you want things, but they're heavy and add a potential failure point that a fixed stem doesn't have (the rise adjustment bolt.)

I like the Profile Aris stem; it comes in 7 degree and 25 degree reversible rise, and lengths from 70mm - 130mm.
__________________
"I feel like my world was classier before I found cyclocross."
- Mandi M.
CliftonGK1 is offline   Reply With Quote
Old 04-02-09, 12:15 PM   #13
ALaS
click. click click.
Thread Starter
 
Join Date: Feb 2009
Bikes: Leader 725TR http://velospace.org/node/23532
Posts: 222
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks for the info!
ALaS is offline   Reply With Quote
Old 04-02-09, 08:19 PM   #14
Eggywootah
Senior Member
 
Join Date: Jul 2008
Location: Providence, RI
Bikes: 06 KHS Urban-x, 07 KHS Flite 300, 08 Cannondale Capo
Posts: 140
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Stem doesn't have to cost you a fortune:

http://www.nashbar.com/bikes/Product..._200276_200459
Eggywootah is offline   Reply With Quote
Old 06-02-09, 04:18 PM   #15
ALaS
click. click click.
Thread Starter
 
Join Date: Feb 2009
Bikes: Leader 725TR http://velospace.org/node/23532
Posts: 222
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
What's the best angle to have and is it beneficial to have a 0 degree angle?
ALaS is offline   Reply With Quote
Old 06-02-09, 05:29 PM   #16
Geordi Laforge
Large Member
 
Geordi Laforge's Avatar
 
Join Date: Nov 2008
Bikes:
Posts: 1,497
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
what's best is what work for your own fit.

we have zero idea what is best for you.
Geordi Laforge is offline   Reply With Quote
Old 06-02-09, 05:45 PM   #17
happytruck
hey
 
happytruck's Avatar
 
Join Date: Nov 2007
Bikes:
Posts: 193
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I've been looking for a shorter stem (25.4/26.0) too. There seem to be fewer fewer options (especially at the low end, <40$) in threadless compared to threaded.
happytruck is offline   Reply With Quote
Old 06-02-09, 06:23 PM   #18
Ken Cox
King of the Hipsters
 
Join Date: Jan 2005
Location: Bend, Oregon
Bikes: Realm Cycles Custom
Posts: 2,129
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Syntace makes some beautiful short stems in +/- 6 and +/-17 degrees.

With a too short stem, one can encounter "steering wheel effect," in which the steering feels vague and overly responsive at the same time.

I know that sounds like a contradiction.

Steering wheel effect shows up more with steep head tubes and less with relaxed head tubes.

On my Pista, with a 75 degree head tube, I need a 75mm stem or longer.

My Karate Monkey, with a 72 degree head tube, feels great with a 60mm stem.

I hope I haven't made an inaccurate generalization, above: the Pista has 23mm tires and the Karate Monkey has 60mm tires, and tire size can make a big difference, too.
Ken Cox is offline   Reply With Quote
Old 06-02-09, 09:40 PM   #19
adriano 
*
 
adriano's Avatar
 
Join Date: Nov 2008
Location: Baltimore
Bikes: http://velospace.org/node/18951
Posts: 6,879
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by Ken Cox View Post
Syntace makes some beautiful short stems in +/- 6 and +/-17 degrees.

With a too short stem, one can encounter "steering wheel effect," in which the steering feels vague and overly responsive at the same time.

I know that sounds like a contradiction.

Steering wheel effect shows up more with steep head tubes and less with relaxed head tubes.

On my Pista, with a 75 degree head tube, I need a 75mm stem or longer.

My Karate Monkey, with a 72 degree head tube, feels great with a 60mm stem.

I hope I haven't made an inaccurate generalization, above: the Pista has 23mm tires and the Karate Monkey has 60mm tires, and tire size can make a big difference, too.
what about the syntace stem recall? are they sorted out now?
__________________

α
adriano is offline   Reply With Quote
Old 06-02-09, 10:09 PM   #20
ALaS
click. click click.
Thread Starter
 
Join Date: Feb 2009
Bikes: Leader 725TR http://velospace.org/node/23532
Posts: 222
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
How do I know what fits me? The fit calculator doesn't show that. (stem angle)
ALaS is offline   Reply With Quote
Old 06-02-09, 10:21 PM   #21
JiveTurkey
Low car diet
 
JiveTurkey's Avatar
 
Join Date: Aug 2007
Location: Corvallis, OR, USA
Bikes: 2006 Windsor Dover w/105, 2007 GT Avalanche w/XT, 1995 Trek 820 setup for touring, 201? Yeah single-speed folder, 199? Huffy tandem.
Posts: 2,407
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
The angle itself doesn't mean anything. It needs to be considered with other factors, such as the length of the stem, the height of the head tube, how high or low the stem is in relation to the top of the head tube, how much saddle to handlebar drop/rise you want, etc.

See here: http://www.habcycles.com/fitting.html

First, you need to determine what you want for an effective reach of the bike (top tube length plus horizontal stem length) as well as how far below (or above) your saddle you want the bars to be.

Once those factors are determined, you can use the chart above to determine which combination of stem length and angle will get your bars where you want them.
JiveTurkey is offline   Reply With Quote
Old 06-05-09, 08:19 AM   #22
ALaS
click. click click.
Thread Starter
 
Join Date: Feb 2009
Bikes: Leader 725TR http://velospace.org/node/23532
Posts: 222
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I see. Thank you. I know I need the TT+Stem to be between 62.3cm and 63.3cm. As far as height ratio from seat and head tube, I'd want it to be comfortable cruising and sprinting.
ALaS is offline   Reply With Quote
Old 06-05-09, 11:08 PM   #23
sp00ki
partly metal, partly real
 
sp00ki's Avatar
 
Join Date: Aug 2005
Location: Philadelphia.
Bikes: Hummer H2
Posts: 3,597
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
it won't be good for sprinting. short stems are great for maneuverability in traffic, but that's about it. sprinting on a short stem-- especially if you're out of saddle and over the bars-- will get a little sloppy.
sp00ki is offline   Reply With Quote
Old 06-06-09, 12:01 AM   #24
Tomo_Ishi
Riding Engineer
 
Tomo_Ishi's Avatar
 
Join Date: Jan 2008
Location: Tokyo
Bikes: Kiyo Kiyo Kiyo
Posts: 836
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Umm ...

I think "shorter stem = twitchy steering" is a premature conclusion. While it is very true, you have to observe what you are doing while you are turning your handlebar. It "feels" premature anyway.

When I am using a short stem, I felt like I am "TURNING" the handle bar.

When I am using a long stem, I felt like I am "PUSHING" one side and "PULLING" the other. This isn't clear, but you know what I mean; with a 90-110mm, you aren't really twisting at the bar.

I think when I am riding long distances, it is mentally easy to maintain straight course with longer stem. I think this is because unlike with cars your weight is on the handlebar and it is easy to "SENSE" how hard you are PRESSING at the bar. With a short stem, you have to be constantly aware of "ANGLE" of the turning and this, I believe, is considerably harder. I am no sprinter, so I can't say about that.

I think unless sizing is a significant problem for you, it isn't a good idea to opt for short stems over longer one. (I repeat, this doesn't apply if sizing is a significant problem.)

T
Tomo_Ishi is offline   Reply With Quote
Old 06-07-09, 05:24 PM   #25
ALaS
click. click click.
Thread Starter
 
Join Date: Feb 2009
Bikes: Leader 725TR http://velospace.org/node/23532
Posts: 222
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I've ridding sport bikes in the past along with bicycles, I know what you mean to press and lean. Is an 80mm stem considered short?
ALaS is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 09:44 PM.