Help with removal of pins rear 7700 derailler
Moderator: robbosmans
Hi everyone. I've seen some mods done to the Shimano 7700 and 7800 rear deraillier, and one of the steps is to disassemble the entire piece. I got most done, but the hinge pins that are captured are a bit tricky and all the mods no one explains how to do this. The first photo is mine and the other is a mod posted online.
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I never understand how people are able to cleanly remove these one way pins. more annoyingly, they never tell how they did it! My only guess (and i thought about doing this) is to drill a small hole on the opposite side to enable a small punch to go in and knock it out. I took the pins off of my Sram force Rd but the difference is those pins had (hats?) or ends to them that can be pried out with a wedge tool.
fallen86 wrote:I never understand how people are able to cleanly remove these one way pins. more annoyingly, they never tell how they did it! My only guess (and i thought about doing this) is to drill a small hole on the opposite side to enable a small punch to go in and knock it out. I took the pins off of my Sram force Rd but the difference is those pins had (hats?) or ends to them that can be pried out with a wedge tool.
I'm also looking to remove the pins of my Force RD. Could you give some more information how you got them out?
I Will make the leap
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I got mine out of the force derailleur.
The ones that link the plastic P-knuckle to the magnesium link of the parallelogram can be pulled out quite easily: just pry a little screwdriver onder it. It will damage the aluminium and magnesium a bit, but you can sand it down afterwards.
The 2 other pins are soldered, so they can't be pulled out. But if you drill in the whole where they are soldered, you can pull them out fairly easily. I will post a picture of this later.
The ones that link the plastic P-knuckle to the magnesium link of the parallelogram can be pulled out quite easily: just pry a little screwdriver onder it. It will damage the aluminium and magnesium a bit, but you can sand it down afterwards.
The 2 other pins are soldered, so they can't be pulled out. But if you drill in the whole where they are soldered, you can pull them out fairly easily. I will post a picture of this later.
I Will make the leap