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Threading cable through Suntour Cyclone rear derailleur

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Threading cable through Suntour Cyclone rear derailleur

Old 05-12-15, 09:09 PM
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philbob57
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Threading cable through Suntour Cyclone rear derailleur

I'd like to overhaul my Cyclone derailleur, having recently replaced the cable. (I didn't think ahead.) Threading the cable through the derailleur body was extremely frustrating because of the stiffness of the cable, small opening in the body, and poor close vision. Is there some sort of trick to doing this?

Thanks. (I guess I could take it to an lbs, but even with the frustration, it's still immensely faster to do it myself.)
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Old 05-12-15, 09:37 PM
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I assume you're talking about a Mark II, with that cockamamie hidden pinch bolt in the outer plate. Otherwise I can't see the problem because the other versions have the classic pinch bolt on an arm arrangement of most other RDs.

If it is a Mark II and you have bad vision or unsteady hands, consider going out for a few beers, and invite friend with good vision and steady hands over for this phase of the job. If I remember right (odds are I don't) we used to jam something between the plates to hold the RD more aligned while we attached the cable (but that could have been a different one).
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Old 05-13-15, 07:06 AM
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Originally Posted by philbob57 View Post
....and poor close vision.
Get some +2.5 or +3 reading glasses at Wal-Mart. I bought a 3-pack of them for about $8 and keep them scattered around where I need to do close work. They are a life saver for the type of work you are doing.
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Old 05-13-15, 09:29 AM
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A fresh cable with a factory, uncut, end won't tend to catch on the edge of the cable through hole or anchor bolt hole. Having a few inches of cable that isn't being influenced by a curve or casing also helps to line it all up. I often find myself holding the cable in my fingers while I push/pull repeatedly while slightly changing the cable's orientation and/or twisting the cable. These manipulations will make the end move about a bit and one time it will catch the anchor hole (getting the cable in the casing stop hole should be quite easy).

I usually have more challenges in threading the cable through the shifter pod. Andy.
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Old 05-13-15, 12:56 PM
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Thanks, all.

Shifting pod? Just a Suntour ratchet lever. Of course, I screwed that part up the first time I did the work....

Last edited by philbob57; 05-13-15 at 01:16 PM. Reason: clarity
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Old 05-13-15, 02:28 PM
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i think i might have spent at least two hours fussing with one of those hidden bolt cyclone RDs. i had accidentally removed the nut all the way and the bolt and washer and nut all came out. it was the devil to get back together, and at the time i could still see pretty well too!
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Old 05-13-15, 02:37 PM
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I use a bright light and some tweezers to get this done. It's annoying.
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