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Original Hyperglide Chain Connector Pin Removal & Reinstallation?

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Original Hyperglide Chain Connector Pin Removal & Reinstallation?

Old 08-09-20, 01:05 PM
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hazetguy 
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Original Hyperglide Chain Connector Pin Removal & Reinstallation?

7 speed, Hyperglide cassette rear hub.
I want to break the low mileage original Hyperglide chain on my Bridgestone. It still has the factory waxy type coating on it, but it is very dusty from having sat around for the better part of 3 decades.
I want to remove the chain to do a thorough deep cleaning, probably a wax lube, then reinstall the chain.
One of the pins is noticeably different from the others, see pic. I am presuming this is the original connector pin, and I'd like to maintain as much originality on the bike as possible. If I drive this pin out, can I reinstall it?
Or would I be better off picking a different spot on the chain to remove a pin/link and installing a quick link. I realize this option would allow for easier future removal / servicing.

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Old 08-09-20, 03:59 PM
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MrK.
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Originally Posted by hazetguy View Post
7 speed, Hyperglide cassette rear hub.
I want to break the low mileage original Hyperglide chain on my Bridgestone. It still has the factory waxy type coating on it, but it is very dusty from having sat around for the better part of 3 decades.
I want to remove the chain to do a thorough deep cleaning, probably a wax lube, then reinstall the chain.
One of the pins is noticeably different from the others, see pic. I am presuming this is the original connector pin, and I'd like to maintain as much originality on the bike as possible. If I drive this pin out, can I reinstall it?
Or would I be better off picking a different spot on the chain to remove a pin/link and installing a quick link. I realize this option would allow for easier future removal / servicing.

You can buy replacement pins for a few bucks. I would not reuse the original.

Edit: https://mikesbikes.com/products/hg-c...AaAmREEALw_wcB

Last edited by MrK.; 08-09-20 at 04:03 PM.
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Old 08-09-20, 04:06 PM
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Although MrK. gives good advice, a chain cleaning 'in situ' is easier than swapping the stoopid Shimano special pin. I think my closeted dislike for Shimano began with those chains.
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Old 08-09-20, 04:08 PM
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Your LBS might have some pins. I use the HG 7/8, 9, and 10 use different pins and like MRk says, leave that pin in the photo alone. Story is that the holes hold that pin just fine but if you drive a replacement into that slot, it may not hold very well.
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Old 08-09-20, 04:46 PM
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don't forget you have to use Shimano's special chain tool meant for HG and UG
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Old 08-09-20, 05:04 PM
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I would just pop the HG pin and that link and replace it with a KMC 7/8 master link have done this on several bikes no issues.
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Old 08-09-20, 05:05 PM
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thanks for all the input and advice.

steve sumner: i don't know to which tool you are referring. i'd be interested in learning more about it. happen to have a link or thread about it?

while i was downstairs overly contemplating this huge decision, i did make an executive decision. since i plan on dabbling with chain waxing on this particular bike, where somewhat frequent chain removal will be necessary, i decided to drive out the original connector pin, and will, in its place, install a quick link. while the chain will not be connected by the original method, it will be connected in the same original location.
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Old 08-09-20, 08:36 PM
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Also I would advise against much chain cleaning beyond whip down if the chain as vintage and good as described heavy cleaning will take off the HG finish on the chain and likely make it worse.
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Old 08-10-20, 01:37 PM
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The early Shimano UG and HG chain tools had a shallow recesses on the opposing face of the tool. This allowed you to put the chain back together without squishing the bowed out plates. These chains could potentially 'break' if joined back together with a standard VAR or Cyclo etc chain tool. I'd imagine there's still a modern equivalent for those that want to use those stupid special pins, or for really old chains with no special pin.

I don't think it's relevant if you're just splitting the chain and using a quick link.
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Old 08-10-20, 02:07 PM
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Thanks again for the info.
I cleaned the chain in kerosene and some brake cleaner. There are still a few small spots that I missed, but overall I think it turned out well. The original waxy type coating has lightly discolored the bright link plates a little, but that's ok.
I picked up some wax today, and I have some PTFE powder on the way. Will be waxing later this week.

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