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 05-03-06, 01:15 AM   #1
ouch
yeah
Thread Starter
 
Join Date: Mar 2006
Bikes:
Posts: 16
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
math/gearing help

So my bike has very short dropouts that allow for just about no adjustment, it is a conversion. Right now i run a 39/14 which is about a 1/3rd ratio it is a little rough for commuting and recreation all though managable but i was wondering if there was a way mathematically to determine my other gearing options using different cogs and chainrings. any help would be cool. thanks.
ouch is offline   Reply With Quote
Old 05-03-06, 06:06 AM   #2
ajd
+++ NO COURIER
 
Join Date: Apr 2006
Bikes:
Posts: 86
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by ouch
So my bike has very short dropouts that allow for just about no adjustment, it is a conversion. Right now i run a 39/14 which is about a 1/3rd ratio it is a little rough for commuting and recreation all though managable but i was wondering if there was a way mathematically to determine my other gearing options using different cogs and chainrings. any help would be cool. thanks.
Online calculator: http://eehouse.org/fixin/

There are also eccentric hubs (the axle bolt is not in the center of the axle) to give you a little more range. As always, Sheldon Brown has the answers, or at least the links to the answers.
http://sheldonbrown.com/fixed-conversion.html#vertical
ajd 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 04:27 PM.