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 11-28-07, 09:04 PM   #1
Chetti
Car Free Member
Thread Starter
 
Join Date: Jan 2007
Location: Salt Lake City Utah
Bikes: lots of old bikes
Posts: 34
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
no pedal threads in crank arm

I got this bike at the swap meet, and the threads on the left crank for the pedal are stripped out. causing the pedal to fall out half way through its first ride (the other half was riding home with one pedal, quite the experience)

basically wondering if there was a quick fix, or a way to just replace the one arm with one of my scrap bikes? or if I should replace the entire crankset.
thanks
Chetti is offline   Reply With Quote
Old 11-28-07, 09:12 PM   #2
Bill Kapaun
Senior Member
 
Bill Kapaun's Avatar
 
Join Date: Feb 2007
Location: Mid Willamette Valley, Orygun
Bikes: 86 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds.
Posts: 9,388
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 82 Post(s)
1/2 or 9/16"? Which side. What kind of crank?
Bill Kapaun is offline   Reply With Quote
Old 11-29-07, 01:16 AM   #3
randomgear
Senior Member
 
Join Date: Jul 2006
Location: beantown
Bikes: '89 Specialized Hardrock Fixed Gear Commuter; 1984? Dawes Atlantis
Posts: 875
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 21 Post(s)
Your LBS should be able to install an insert or a Heli-coil.
Once in, just screw your pedal on.
randomgear is offline   Reply With Quote
Old 11-30-07, 06:09 AM   #4
Chetti
Car Free Member
Thread Starter
 
Join Date: Jan 2007
Location: Salt Lake City Utah
Bikes: lots of old bikes
Posts: 34
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks guys,
I realized after my post how little information I gave you guys. It was the Left crank arm, and it had the square peg deal(sorry Im still not entirely familiar with what all these parts are called) I took it apart and saw how easy it was to pop off the arm with the right tools, and put on a new one. that was probably the easiest self learning repair/replacement Ive had yet, It just came right off and the new one just slid right on
Chetti is offline   Reply With Quote
Old 11-30-07, 06:47 AM   #5
operator
cab horn
 
Join Date: Jun 2004
Location: Toronto
Bikes: 1987 Bianchi Campione
Posts: 28,306
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by randomgear View Post
Your LBS should be able to install an insert or a Heli-coil.
Once in, just screw your pedal on.
Depending on the quality of the cranks and how much your LBS charges for a helicoil it might not be worth it. You can get an entire crankset for ~ $30. Or your LBS might just have another crankarm in the same length, same Q-Factor floating around.
operator is offline   Reply With Quote
Old 12-05-07, 02:32 AM   #6
ParkingMeter
Guest
 
Bikes:
Posts: n/a
Mentioned: Post(s)
Tagged: Thread(s)
Quoted: Post(s)
The helicoils for crank threads are expensive, like 10 bucks a piece and the labor as much as $40. Most shops don't have the kits either. Left crank arms, especially square taper ones can be had for much cheaper than the cost and trouble of trying to repair a hosed crank. Only expensive or novelty cranks are worth helicoiling IMO.
  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 03:33 AM.