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  1. #1
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    Do all modern shimano chains need the special pins

    I have a relatively new bike, and have been wanting to pop off the chain to give it a thorough cleaning. I have read about the special pins you need for shimano chains, but how can I tell if I actually need that on my chain?

    On my old old mtn bike I used to take the chain off all the time to clean and never used any special pins. My new bike is my first new bike purchase in 14 years so I am a bit behind the times these days with some of the new tech.

    Thanks

    Dan

  2. #2
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    Yes, current Shimano chains have to be reinstalled with a special replacement pin and these pins are specific to and different for 7/8-speed, 9-speed and 10-speed chains. Pushing the original pin back in is an open invitation to chain failure.

    An alternative is a SRAM or Wipperman master link in the matching width.

  3. #3
    You know you want to. Eatadonut's Avatar
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    Quote Originally Posted by HillRider
    Yes, current Shimano chains have to be reinstalled with a special replacement pin and these pins are specific to and different for 7/8-speed, 9-speed and 10-speed chains. Pushing the original pin back in is an open invitation to chain failure.

    An alternative is a SRAM or Wipperman master link in the matching width.
    ...I've never used a replacement pin for a 7/8 speed chain. I hope that's not a mistake, but I've never had a problem with it.
    Weather today: Hot. Humid. Potholes.

  4. #4
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    Quote Originally Posted by Eatadonut
    ...I've never used a replacement pin for a 7/8 speed chain. I hope that's not a mistake, but I've never had a problem with it.
    The plates in 9 and 10 speed chains got so thin that they easily crack.

  5. #5
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    Quote Originally Posted by Eatadonut
    ...I've never used a replacement pin for a 7/8 speed chain. I hope that's not a mistake, but I've never had a problem with it.
    I classified them as 7/8-speed chains but Shimano referrs to them as 8-speed. Typical models are HG70. HG90, IG90, et. al. These definitely come with a specific installation and reinstallation pins and explicit instructions on how to use them and the necessity for using them if the chain is taken apart.

    If you have been using these chains and just pushing the same pin back in after separating them, you've been lucky not to have had a failure.

  6. #6
    Senior Member mechBgon's Avatar
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    Based on my experiences with Shimano chains in the past, I'd say using Shimano chains is an invitation to failure, period. And some of those failures were at the points where they'd been fastened together with the special pins. So I say the heck with Shimano's wimpy chains and Crazy Pins™, I'm using SRAM chains forevar.

    Granted, I have a long conviction record of Crimes Against Bicycle Chains, such as power-shifting and cross-chaining.
    Last edited by mechBgon; 07-16-06 at 11:15 AM.

  7. #7
    hello roadfix's Avatar
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    I stopped using Shimano chains years ago because of these special pins you need to have around....
    .cinelli.olympic.surly.long.haul.trucker.kona.ku.surly.steamroller.
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  8. #8
    Sometimes knows stuff. rmfnla's Avatar
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    IRD makes excellent chains (with master links), too.
    Today, I believe my jurisdiction ends here...

  9. #9
    cab horn
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    No reason to use Shimanos 7/8 speed chain when you can get an Sram pc-48 7/8 for $8 with a masterlink.
    Mes compaingnons cui j'amoie et cui j'aim,... Me di, chanson.

  10. #10
    me have long head tube TallRider's Avatar
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    Again, as was noted in the first post, you can buy masterlinks from other manufacturers (SRAM, Wipperman, etc.) and use them on Shimano chains. Make sure you match 9-speed with 9-speed, etc.

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