Have questions or want to discuss cycling? Join Now or Sign In to participate in the BikeRide community.

New: Take Part in the January Giveaway for a Chance to Win the Movcan V80 E-bike Worth $889


How do I fix my front derailleur?
#1
My front derailleur is completely bent out of shape, how do I get it back in place?

Pics from different angles:
http://i40.tinypic.com/qq281j.jpg
http://i43.tinypic.com/t9z62u.jpg
http://i44.tinypic.com/dlg55y.jpg
http://i41.tinypic.com/23m5404.jpg

Thanks to anyone that helps.
  Reply
#2
Ouch. Ok...
There are two things: the mounting clamp has slipped and the dérailleur cage is bent, quite badly. Unless you are on a really tight budget you should probably get a new one (last year's model or before). Bending back requires: patience, a clue how the dérailleur cage should look like, patience, skill, patience. And as the guy in charge of the workshop in my flying club used to say: you can not unbend metal. There will remain a kink and the structure will be weakened. The chain might just catch the edge and bend the cage again.
Looking at the pics again, it might be done. The bends seem to be not too sharp (for the outer plate)
- Undo screw for the cable
- Remove dérailleur from frame (open clamp screw)
- Open the screw that holds the two cage plates together (to free chain and to work on inner and outer plate separately)
- Using where the inner plate is fixed to the parallelogram, try straightening the inner plate first

(and for me the final step would be: after some hours decide to get a new one, as they are so cheap when getting an older model online, in Germany there's shop.cnc-bike.de who do have old stuff, the FDs start at 5 EUR (7 USD?)).
  Reply
#3
Thanks so much! Looks like I'll be getting a new one then. Smile
  Reply


Possibly Related Threads...

Forum Jump:

[-]
10 Latest Posts
Happy Holidays
Today 08:57 AM
Where are you from and What is your favo...
Today 03:24 AM
Cycling industry is pricing out their ow...
Yesterday 11:43 PM
Wishing you an Awesome 2025 & many fun r...
Yesterday 11:25 PM
Fingers going numb especially last 2 on ...
Yesterday 10:13 PM
Do you think we're magnets for cars?
Yesterday 10:27 AM
Top 3 Bibshorts in terms of value
01-18-2025 01:43 PM
Condor Acciaio, a premium steel road bik...
01-18-2025 01:34 PM
Tips for Cyclists
01-18-2025 01:24 PM
2007 Trek Pilot S.P.A. 5.2
01-16-2025 02:41 PM

[-]
Join BikeRide on Strava
Feel free to join if you are on Strava: www.strava.com/clubs/bikeridecom

[-]
Top 5 Posters This Month
no avatar 1. GirishH
20 posts
no avatar 2. enkei
15 posts
no avatar 3. rydabent
10 posts
no avatar 4. ReapThaWhirlwind
10 posts
no avatar 5. Flowrider
9 posts