Go Back  Bike Forums > Bike Forums > Road Cycling
Reload this Page >

XTR Derailleurs on a road bike?

Search
Notices
Road Cycling “It is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them. Thus you remember them as they actually are, while in a motor car only a high hill impresses you, and you have no such accurate remembrance of country you have driven through as you gain by riding a bicycle.” -- Ernest Hemingway

XTR Derailleurs on a road bike?

Thread Tools
 
Search this Thread
 
Old 06-06-21, 10:47 AM
  #1  
jaynamdhari1
Newbie
Thread Starter
 
Join Date: Jun 2021
Posts: 2
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 0 Times in 0 Posts
XTR Derailleurs on a road bike?

Hi! I was looking through listings for bikes and came across a specialized roubaix with full ultegra but using an XTR Deraullieur....

Is this normal given the XTR is a mountain bike groupset?
Does it affect performance on paved roads in a positive/negative way?
jaynamdhari1 is offline  
Old 06-06-21, 11:23 AM
  #2  
tyrion
Senior Member
 
tyrion's Avatar
 
Join Date: Oct 2015
Location: San Diego, California
Posts: 4,077

Bikes: Velo Orange Piolet

Mentioned: 28 Post(s)
Tagged: 0 Thread(s)
Quoted: 2228 Post(s)
Liked 2,011 Times in 972 Posts
Originally Posted by jaynamdhari1
Hi! I was looking through listings for bikes and came across a specialized roubaix with full ultegra but using an XTR Deraullieur....

Is this normal given the XTR is a mountain bike groupset?
Does it affect performance on paved roads in a positive/negative way?
It's not very common. I think using road shifters with mountain derailleurs is only possible with DI2 (electronic shifting), but it does give you a wide range 1x road system.
tyrion is offline  
Old 06-06-21, 01:42 PM
  #3  
joeruge
Full Member
 
Join Date: Jan 2006
Posts: 217
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 79 Post(s)
Liked 74 Times in 41 Posts
Many road tandems use XT and XTR rear derailleur with road shifters. I have them on our tandem (though they are all relatively ancient 9spd. set ups) and they work flawlessly. I don't use any special cable routing or anything special doodads to change cable pull (though these 'doodads' are often needed for road levers to work with some V brakes.)
joeruge is offline  
Old 06-06-21, 01:44 PM
  #4  
shelbyfv
Expired Member
 
shelbyfv's Avatar
 
Join Date: Jun 2007
Location: TN
Posts: 11,528
Mentioned: 37 Post(s)
Tagged: 0 Thread(s)
Quoted: 3664 Post(s)
Liked 5,410 Times in 2,748 Posts
Used bike? 9 speed mtb rear derailleurs were a popular mod through road 10 speed. They enabled use of 32 and 34t cassettes when road rear derailleurs officially only went to 30t max. This changed with mtb 10 speed and road 11 speed.
shelbyfv is offline  
Old 06-06-21, 02:24 PM
  #5  
Dean V
Senior Member
 
Join Date: Oct 2009
Posts: 2,853
Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
Quoted: 1067 Post(s)
Likes: 0
Liked 259 Times in 153 Posts
It will work perfectly well as long as the pull ratios match.
Shifting may not be quite optimal if you use a smaller road cassette eg 11-25.
Dean V is offline  
Old 06-06-21, 03:28 PM
  #6  
terrymorse 
climber has-been
 
terrymorse's Avatar
 
Join Date: Dec 2004
Location: Palo Alto, CA
Posts: 7,102

Bikes: Scott Addict R1, Felt Z1

Mentioned: 10 Post(s)
Tagged: 0 Thread(s)
Quoted: 3427 Post(s)
Liked 3,561 Times in 1,790 Posts
Originally Posted by shelbyfv
Used bike? 9 speed mtb rear derailleurs were a popular mod through road 10 speed. They enabled use of 32 and 34t cassettes when road rear derailleurs officially only went to 30t max.
Yes, we did a lot of these mods for people over the years. Ultegra 10 speed 50-34, 11-28, could be changed to 50-34, 11-34 with just a new XT derailleur.

Shifting was decent using the standard XT (but not so much with the "shadow" derailleur).
__________________
Ride, Rest, Repeat. ROUVY: terrymorse


terrymorse is offline  
Likes For terrymorse:

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



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.