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


Go Back   > >

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.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 06-24-10, 02:24 PM   #1
Barrettscv 
Have bike, will travel
Thread Starter
 
Barrettscv's Avatar
 
Join Date: Feb 2006
Location: Edwardsville, Illinois
Bikes: Colnago Nuova Mexico, Eddy Merckx Corsa Extra, Pinarello Gavia, Schwinn Paramount, Motobecane Grand Record, Peugeot PX10, Serotta Nova X, Simoncini Cyclocross Special, Origin8 monstercross, Pedal Force CG2 and CX2
Posts: 10,596
Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
Quoted: 69 Post(s)
Can I put a 10 speed chain on a 9 speed chainwheel?

Can I?
Barrettscv is offline   Reply With Quote
Old 06-24-10, 02:25 PM   #2
DaveSSS
Senior Member
 
Join Date: Sep 2008
Location: Loveland, CO
Bikes: Two LOOK 585s, one KG461
Posts: 4,987
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Yes. There is no difference in the tooth thickness.
DaveSSS is offline   Reply With Quote
Old 06-24-10, 02:35 PM   #3
Barrettscv 
Have bike, will travel
Thread Starter
 
Barrettscv's Avatar
 
Join Date: Feb 2006
Location: Edwardsville, Illinois
Bikes: Colnago Nuova Mexico, Eddy Merckx Corsa Extra, Pinarello Gavia, Schwinn Paramount, Motobecane Grand Record, Peugeot PX10, Serotta Nova X, Simoncini Cyclocross Special, Origin8 monstercross, Pedal Force CG2 and CX2
Posts: 10,596
Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
Quoted: 69 Post(s)
I'm considering a 26 or 28t granny gear for my Shimano 105 Crankset. The crank now has 50, 39 & 30t chainrings. I'm using a 105 triple front derailluer and an Ultegra GS rear derailluer.

I'm using a 10 speed chain, the bike is a 30 speed.

The SG G-26 is the correct 74 BCD, but is discribed as a MTB chainring: http://cgi.ebay.com/Shimano-SG-G-26-...92346847569163
Barrettscv is offline   Reply With Quote
Old 06-24-10, 02:37 PM   #4
DArthurBrown
Ovdabak, OR
 
DArthurBrown's Avatar
 
Join Date: Feb 2009
Location: Michigan
Bikes: 2008 Mercier Corvus Steel, 2007 Trek 4300, ~1980 Takara Deluxe 12, 1985 Trek 620 (modernized)
Posts: 495
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
+1 The only differences in 10 speed chains and 9 speed chains are the overall thicknesses. The interior thicknesses are the same.

The only difference in a 10 speed chainring vs a 9 speed chainring is the machining of the chainring to position the teeth. On some 10 speed rings, the smaller chainring is machined to keep the chain closer to the big one.

In practice, this really doesn't make any difference. The differences are too small to notice. You can actually even run a 10 speed chain on a 9 speed rear cluster, and some brands recommend this if you're using a 10-speed chainring with a 9-speed rear cluster.
DArthurBrown is offline   Reply With Quote
Old 06-24-10, 02:41 PM   #5
DArthurBrown
Ovdabak, OR
 
DArthurBrown's Avatar
 
Join Date: Feb 2009
Location: Michigan
Bikes: 2008 Mercier Corvus Steel, 2007 Trek 4300, ~1980 Takara Deluxe 12, 1985 Trek 620 (modernized)
Posts: 495
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by Barrettscv View Post
I'm considering a 26 or 28t granny gear for my Shimano 105 Crankset. The crank now has 50, 39 & 30t chainrings. I'm using a 105 triple front derailluer and an Ultegra GS rear derailluer.

I'm using a 10 speed chain, the bike is a 30 speed.

The SG G-26 is the correct 74 BCD, but is discribed as a MTB chainring: http://cgi.ebay.com/Shimano-SG-G-26-...92346847569163
Fundamentally, that idea should be fine. There are issues, however, with using chainrings from different sets. If you use a smaller chainring, for example, the front derailleur might not be able to accomodate it with your large chainring. 26 to 50 is a large spread. The machined ramps and pins may also not line up perfectly.

Ignore the MTB description. Often times that just means it's heavier and likely more durable.
DArthurBrown is offline   Reply With Quote
Old 06-24-10, 02:43 PM   #6
DArthurBrown
Ovdabak, OR
 
DArthurBrown's Avatar
 
Join Date: Feb 2009
Location: Michigan
Bikes: 2008 Mercier Corvus Steel, 2007 Trek 4300, ~1980 Takara Deluxe 12, 1985 Trek 620 (modernized)
Posts: 495
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I just read your posts in the other thread. Sounds like your deailleurs should handle that chainring size fine.
DArthurBrown is offline   Reply With Quote
Old 06-24-10, 02:43 PM   #7
10 Wheels
Galveston County Texas
 
10 Wheels's Avatar
 
Join Date: Nov 2007
Location: In The Wind
Bikes: 2010 Expedition, 03 GTO
Posts: 29,894
Mentioned: 5 Post(s)
Tagged: 0 Thread(s)
Quoted: 303 Post(s)
I have a 24T Grandpa gear with the 50-39. It works find with the 105DR
__________________
[SIZE=1][B]What I like about Texas[/B]
http://www.youtube.com/watch?v=PGukLuXzH1E

Set F1re To The Ra1n ( NY Night Rain Ride)
http://www.youtube.com/watch?v=W7jfcWEkSrI
10 Wheels 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 01:18 PM.