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Replacing Campy G Springs

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Replacing Campy G Springs

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Old 07-09-18, 05:27 PM
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zacster
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Replacing Campy G Springs

After a long ride this past weekend I decided maybe it is time to replace the G springs in my 2005 Chorus Ergo levers. It looks easy enough to do myself, but I have one question. Do you need to remove the bar tape to get the lever? That would be more trouble than I want to go through since it is relatively new. I guess I'll have to because shifting has gotten really soft over the last few rides.
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Old 07-10-18, 07:39 PM
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darkhorse75
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It will be easier with the shifter off the bike since the first step involved is to drive out the pin that retains the brake lever with a hammer and a punch. If you can the mount the shifter on an old handlebar secured in a bench vice it will make the disassembly/ reassembly much easier. Remember to replace the spring carrier as well as they were prone to breaking.
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Old 07-10-18, 07:48 PM
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You overhaul the shifter from the back. They have to come off the bars.
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Old 07-10-18, 09:58 PM
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Agree

Originally Posted by Kontact View Post
You overhaul the shifter from the back. They have to come off the bars.
+1, from my experience I agree, what I remember is it would not be possible w/o and a lot easier if you mount a stub bar in a vise and then the brake/shifter so you have a steady work platform. As a Shimano guy I have only done two but the reward was instant, very satisfying.
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Old 07-10-18, 11:39 PM
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You can just unscrew the levers entirely off the clamp, but getting them back on can be a hassle, what with getting the cable housings back in their holes and getting the bar tape back over the lever bodies, not to mention finding the clamp with the bolt again.

Another way to hold Campy levers while you're working on them is to pop a square-ended allen key in a vise, and sit the front end of the shifter spindle on it.
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Old 07-11-18, 08:55 AM
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OK, I was asking if I need to remove the tape to undo the lever as I just re-taped them recently and did a good job for a change. I already see that the lever needs to come off. I've ordered springs, the carrier and the washer as a set and I'll replace them all as recommended. I guess it'll be obvious how I need to hold it to work on it when the time comes.

My biggest fear with doing this is that it won't go back together without needing a new something, and then not having the bike until it comes. It also sounds like not being able to move the housing that's under the tape will make it difficlut to fit back on. I guess I can always get new tape at the LBS.
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Old 07-11-18, 08:58 AM
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I've never had to "mount" a shifter to replace the G-spring. That one step where you have to work miracles to get the spring seated, though? Did it once on the first try, then found out I had something in backward further down.

Back to OP: I always plan on taking the tape off. It's worse than getting that internal spring right to try to get the cables through the housings, and the housings lined up right on the shifter when you remount the shifter on the bars.
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Old 07-11-18, 09:05 AM
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Originally Posted by pdlamb View Post
I've never had to "mount" a shifter to replace the G-spring. That one step where you have to work miracles to get the spring seated, though? Did it once on the first try, then found out I had something in backward further down.

Back to OP: I always plan on taking the tape off. It's worse than getting that internal spring right to try to get the cables through the housings, and the housings lined up right on the shifter when you remount the shifter on the bars.
Yea, I think so. Maybe since I only need to take off the tape on the tops I can get away with rewinding it. I'll see but be prepared to get new tape.
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Old 07-14-18, 10:48 PM
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As a veteran of many Version 1 and 2 Ergopower lever overhauls, here my boiled-down, hard-won advice:
  • You have to take the levers completely off of the bike
  • You have to remove the hoods
  • You have to remove the brake lever blades
  • You have to immobilize the lever upside-down. As indicated earlier, a 5mm hex key secured in a bench vice is ideal.

Bar tape? You can buy pairs of these direct from Asia for like $3. Free shipping.
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Old 07-15-18, 06:27 AM
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zacster
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I can buy bar tape at any bike shop. It is the winding that is a PITA. I never get it right, but I did a decent job of it the last time I did it. That's my only concern really.
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Old 07-15-18, 11:16 AM
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Originally Posted by zacster View Post
I can buy bar tape at any bike shop. It is the winding that is a PITA. I never get it right, but I did a decent job of it the last time I did it. That's my only concern really.
Unwrap just the top of the tape, do your thing and try to follow the way the tape is formed.
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