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 06-16-06, 11:28 AM   #1
Mike45
Senior Member
Thread Starter
 
Join Date: Mar 2006
Location: Orange Park, FL
Bikes: Trek 5200 (2006)Teledyne Titan
Posts: 78
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
quick crank length question

When a crank arm is listed at (say) 170, what distance is being measured? i.e. center to center (pedal hole to BB center)

Thanks,
Mike
Mike45 is offline   Reply With Quote
Old 06-16-06, 11:44 AM   #2
Sheldon Brown
Gone, but not forgotten
 
Sheldon Brown's Avatar
 
Join Date: Jul 2002
Location: Newtonville, Massachusetts
Bikes: See: http://sheldonbrown.org/bicycles
Posts: 2,301
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by Mike45
When a crank arm is listed at (say) 170, what distance is being measured? i.e. center to center (pedal hole to BB center)
Bingo. When you think about it, no other dimension would be of any practical use.

See: http://sheldonbrown.com/cranks

Sheldon "165" Brown
Sheldon Brown is offline   Reply With Quote
Old 06-16-06, 11:50 AM   #3
Mike45
Senior Member
Thread Starter
 
Join Date: Mar 2006
Location: Orange Park, FL
Bikes: Trek 5200 (2006)Teledyne Titan
Posts: 78
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks! Makes sense
Mike45 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 05:12 AM.