Go Back  Bike Forums > Bike Forums > Bicycle Mechanics
Reload this Page >

Using a 150mm stem , will it effect handling ?

Search
Notices
Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

Using a 150mm stem , will it effect handling ?

Thread Tools
 
Search this Thread
 
Old 04-28-16, 04:15 AM
  #1  
Senior Member
Thread Starter
 
Join Date: Jul 2014
Location: Ireland
Posts: 397
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 104 Post(s)
Liked 1 Time in 1 Post
Using a 150mm stem , will it effect handling ?

Hi all ,

I have a very nice steel touring bike that has been a source of frustration for me in that I like everything about it except that the top tube is too short (58cm) and therefore the reach also . I picked up the bike when I was less in the know about the particulars of my own fit as I am now .

At the moment I have a 130 mm stem with 17 degrees of rise on it to get the bars as good as i can get them in terms of height and distance from the saddle . I have seen an expensive stem on ebay which is 150mm extension and 17 degrees of rise . I have worked out that this monster of a stem would put me where I need to be in terms of reach , but would it make the steering feel strange ? does that matter ? The stem has a lot of rise so in fact it would be more like a 140 than a 150 in terms of horizontal extension .

I know the obvious thing is to get a new bike but i really like this one and if I could sort the fit it would be a keeper .



J
jambon is offline  
Old 04-28-16, 04:45 AM
  #2  
Super Moderator
 
Homebrew01's Avatar
 
Join Date: Jul 2004
Location: Ffld Cnty Connecticut
Posts: 21,846

Bikes: Old Steelies I made, Old Cannondales

Mentioned: 12 Post(s)
Tagged: 0 Thread(s)
Quoted: 1174 Post(s)
Liked 935 Times in 618 Posts
gopher it. It won't affect steering.
__________________
Bikes: Old steel race bikes, old Cannondale race bikes, less old Cannondale race bike, crappy old mtn bike.

FYI: https://www.bikeforums.net/forum-sugg...ad-please.html
Homebrew01 is offline  
Old 04-28-16, 07:08 AM
  #3  
Senior Member
 
Join Date: Aug 2005
Location: Pittsburgh, PA
Posts: 33,656

Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

Mentioned: 39 Post(s)
Tagged: 0 Thread(s)
Quoted: 2026 Post(s)
Likes: 0
Liked 1,096 Times in 742 Posts
Would the shorter stem with less rise work? That would also increase your reach.
HillRider is offline  
Old 04-28-16, 08:52 AM
  #4  
Senior Member
 
spdracr39's Avatar
 
Join Date: Feb 2014
Location: Cabot, Arkansas
Posts: 1,538

Bikes: Lynskey Twisted Helix Di2 Ti, 1987 Orbea steel single speed/fixie, Orbea Avant M30, Trek Fuel EX9.8 29, Trek Madone 5 series, Specialized Epic Carbon Comp 29er, Trek 7.1F

Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 12 Post(s)
Likes: 0
Liked 1 Time in 1 Post
Get too far forward and your center of balance could make it easier to go over the bars in an emergency stop.
spdracr39 is offline  
Old 04-28-16, 09:28 AM
  #5  
FLIR Kitten to 0.05C
 
Marcus_Ti's Avatar
 
Join Date: Sep 2014
Location: Lincoln, Nebraska
Posts: 5,331

Bikes: Roadie: Seven Axiom Race Ti w/Chorus 11s. CX/Adventure: Carver Gravel Grinder w/ Di2

Mentioned: 30 Post(s)
Tagged: 0 Thread(s)
Quoted: 2349 Post(s)
Liked 406 Times in 254 Posts
You're talking a 17* rise stem that is 150mm long....unless you have some big body flexibility/proportionality issues, this sounds like a very wrong bike for you in fit. How big a stack of spacer do you have, or not?
Marcus_Ti is offline  
Old 04-28-16, 09:35 AM
  #6  
Senior Member
 
rmfnla's Avatar
 
Join Date: May 2005
Location: La La Land (We love it!)
Posts: 6,301

Bikes: Gilmour road, Curtlo road; both steel (of course)

Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 273 Post(s)
Likes: 0
Liked 10 Times in 9 Posts
I've experienced "no-hands" speed wobbles when going to longer stems but that's easily remedied by keeping your hands on the bars...
__________________
Today, I believe my jurisdiction ends here...
rmfnla is offline  
Old 04-28-16, 11:46 PM
  #7  
jyl
Senior Member
 
jyl's Avatar
 
Join Date: Aug 2006
Location: Portland OR
Posts: 7,639

Bikes: 61 Bianchi Specialissima 71 Peugeot G50 7? P'geot PX10 74 Raleigh GranSport 75 P'geot UO8 78? Raleigh Team Pro 82 P'geot PSV 86 P'geot PX 91 Bridgestone MB0 92 B'stone XO1 97 Rans VRex 92 Cannondale R1000 94 B'stone MB5 97 Vitus 997

Mentioned: 146 Post(s)
Tagged: 0 Thread(s)
Quoted: 392 Post(s)
Likes: 0
Liked 49 Times in 31 Posts
Have you tried a setback seat post?
jyl is offline  
Old 04-29-16, 04:26 AM
  #8  
Senior Member
Thread Starter
 
Join Date: Jul 2014
Location: Ireland
Posts: 397
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 104 Post(s)
Liked 1 Time in 1 Post
Originally Posted by Marcus_Ti
You're talking a 17* rise stem that is 150mm long....unless you have some big body flexibility/proportionality issues, this sounds like a very wrong bike for you in fit. How big a stack of spacer do you have, or not?

Hi , I have a 90cm stack of spacers on a quill stem steerer tube extension . Bike will definitely not be an ideal fit like this . A longer reach stem that has a lower rise will bring the bars down too low for me . If I'm not mistaken isn't saddle position fixed relative to the BB ? KOPS and all that ? So playing with seatposts would make me weak on the pedals
jambon is offline  
Old 04-29-16, 06:45 AM
  #9  
jyl
Senior Member
 
jyl's Avatar
 
Join Date: Aug 2006
Location: Portland OR
Posts: 7,639

Bikes: 61 Bianchi Specialissima 71 Peugeot G50 7? P'geot PX10 74 Raleigh GranSport 75 P'geot UO8 78? Raleigh Team Pro 82 P'geot PSV 86 P'geot PX 91 Bridgestone MB0 92 B'stone XO1 97 Rans VRex 92 Cannondale R1000 94 B'stone MB5 97 Vitus 997

Mentioned: 146 Post(s)
Tagged: 0 Thread(s)
Quoted: 392 Post(s)
Likes: 0
Liked 49 Times in 31 Posts
You should be asking this over in the bike fit forum.

You certainly do not have a 90cm stack of spacers. This is confusing. Show a picture of the bike.

KOPS is not a requirement. Not at all.
jyl is offline  
Old 04-29-16, 09:28 AM
  #10  
Senior Member
 
rmfnla's Avatar
 
Join Date: May 2005
Location: La La Land (We love it!)
Posts: 6,301

Bikes: Gilmour road, Curtlo road; both steel (of course)

Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 273 Post(s)
Likes: 0
Liked 10 Times in 9 Posts
Originally Posted by jyl
You certainly do not have a 90cm stack of spacers. This is confusing. Show a picture of the bike.
No doubt he meant 90 mm...
__________________
Today, I believe my jurisdiction ends here...
rmfnla is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
jambon
Fitting Your Bike
4
05-10-16 04:11 AM
klepto1
Fitting Your Bike
6
03-29-16 09:52 PM
Dcmkx2000
Road Cycling
19
06-03-12 12:11 PM
jnfr
Touring
4
01-28-11 05:05 PM
SVTNate
Clydesdales/Athenas (200+ lb / 91+ kg)
18
11-28-10 05:18 PM

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
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.