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

New: Take part in the Newton-Rider International Giveaway for a Foldable Bicycle Helmet


20 year old derailleur
#1
Will I notice improvement by replacing a 20 year old derailleur?

I just replaced chain and cassette and wonder if shifting will improve with a new derailleur?

Schwinn 354 Road Bicycle (1991)
Frame: Schwinn 5000 Aluminum
Crankset: Shimano Exage300EX biopace double
Front Derailleur: Shimano Exage 400EX
Rear Derailleur: Shimano Exage 300EX 7-speed
  Reply
#2
maybe a little; but not likely. What issues are you seeing with your present one?
Nigel
  Reply
#3
(05-08-2012, 12:08 AM)nfmisso Wrote:  maybe a little; but not likely. What issues are you seeing with your present one?

It was really difficult to adjust. I think I may have gotten it right; I'll find out when I ride.

I was wondering about springs and responsiveness and adjustment improvements of newer designs.
  Reply
#4
Well, the springs of rear dérailleurs do wear, so when adjustment becomes impossible (even with new cables) it may be time to replace it.
  Reply
#5
(05-08-2012, 02:51 AM)Joe_W Wrote:  Well, the springs of rear dérailleurs do wear, so when adjustment becomes impossible (even with new cables) it may be time to replace it.

I wonder if there is a direct replacement for the Shimano Exage 300EX 7-speed. Maybe Shimano has a suggestion. Yeah, everything wears out.
I ride so that I don't wear out too soon from all of my sitting in front of computers.
  Reply
#6
http://www.amazon.com/Shimano-RD-2300-R-derailleur-Smart-cage/dp/B002UZORHU/

is probably your best bet. You will probably need to replace your chain with an 8 speed chain, and a 7 speed chain will rub the derailleur cage - did on my RD2200
Nigel
  Reply
#7
Replacement part also depends on whether the dérailleur is screwed into the hanger fixed to the drop outs or the dérailleur has a hanger attached to it that is held in place by the axle.
  Reply


Forum Jump:

[-]
10 Latest Posts
Newton-Rider, a helmet like no other
Today 02:45 AM
Colnago R41 Handlebar
Yesterday 10:24 PM
Colnago C64 setup advice
Yesterday 04:26 PM
Do you wave to other cyclists?
Yesterday 01:12 PM
1983 Trek 720
01-13-2021 10:30 AM
Riding all day on the winter solstice
01-13-2021 07:43 AM
NewBikeShopper (intro & opinion request)
01-12-2021 09:11 PM
TREK FX 3 vs Specialized Sirrus 3.0
01-12-2021 03:05 PM
Advice on e-bike for nervous cyclist
01-10-2021 01:48 PM
Anyone know any info on this bike?
01-08-2021 04:49 PM

[-]
Top 5 Posters This Month
no avatar 1. Criminal
20 posts
no avatar 2. Zviedrs
6 posts
no avatar 3. RollOn
5 posts
no avatar 4. Yevhen
5 posts
no avatar 5. NewBikeShopper
4 posts