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11 speed chain... pin or quick link?

ugo.santaluciaugo.santalucia Posts: 26,430
I'm going to install R7000 in the next few weeks and I have seen 11 speed Shimano chains now come with quick links... but they also sell 11 speed pins, if one wants.

I'm not against quick links, but I am aware they are also weak links and more prone to failure and since this bike will be used for hill climb races, with violent accelerations and occasionally lots of high torque/low cadence work, I wonder if a good old fashioned pin is still the better solution, to avoid disappointment...

thoughts?*

*Let's avoid the usual "if it's good enough for Pogacar and Cavendish... as we don't really know what chains they use"

Posts

  • veronese68veronese68 Posts: 24,583 Lives Here
    I've not broken a chain myself, but have fixed 3 bikes on which people have. Not one was on a quick link. I wasn't there when they went but I suspect it was more likely a fluffed gear change whilst trying to put power down.
    Obviously no science behind my thinking and purely anecdotal.
  • MattFalleMattFalle Posts: 5,632
    Never had any problems with quick links so can't really see any reason not to use them
  • elbowlohelbowloh Posts: 6,827
    Never had a broken quicklink.

    Snapped a couple of chains and fixed a few of ride buddies mid-ride and it's never been because of a quick link.

    I think they're great (adopting Tony the Tiger voice).
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  • ugo.santaluciaugo.santalucia Posts: 26,430
    all good then...
  • veronese68veronese68 Posts: 24,583 Lives Here
    I think so. Thinking a little more about it when I've seen broken chains they have never broken in the middle of the plate, only where the pin meets the plate. Sometimes with signs of twisting. The quick link is no weaker in that area when under load than a normal link. The middle of the plate would be weaker having a slot in it but that is not the issue.
    Was it Milemuncher or Bungle that hated quick links? I wouldn't trust the opinion of either of them.
  • ugo.santaluciaugo.santalucia Posts: 26,430
    Not sure, I think I began to notice people breaking chains at the time quick links made an appearance, so I always thought that was the reason... but it's also true QL made an appearance at the time when more "all the gear no idea" folks began cycling, around the Wiggins time
  • oxomanoxoman Posts: 9,646
    I use quick links on my cyclocross and mtbs which get serious hammer on gear changes under load and have never snapped one. Makes roadside / trailside repairs quick and easy.
    Too many bikes according to Mrs O.
  • pblakeneypblakeney Posts: 16,491
    edited 13 July

    Not sure, I think I began to notice people breaking chains at the time quick links made an appearance, so I always thought that was the reason... but it's also true QL made an appearance at the time when more "all the gear no idea" folks began cycling, around the Wiggins time

    Also around the time thinner 11 speed made inroads, and now 12 speed.
    Been using QL on 11 speed since 2009, no issues.
    The above may be fact, or fiction, I may be serious, I may be jesting.
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  • pilot_petepilot_pete Posts: 2,100
    edited 14 July
    Never snapped a chain using either joining method. However, a mate did snap his the other week - in the middle of the plate! Never seen that before, it’s usually a twisted link giving way at the pin.

    I have seen snapped chains where the hamfisted home mechanic has incorrectly fitted the pin - usually either not pushing it in far enough, or too far, or thinking re-joining a chain with the old pin, or a new pin in a link that you have just pushed a pin out of! So that’s not really the fault of the chain or the pin, but the lack of mechanical skill…

    Edited to add, that Shimano only recommend using their quick links once, so these people who fit a Shimano quick link so that they can remove their chain to clean it are setting themselves up for a roadside repair… they do work when used multiple times, but one can only suspect the interference fit of the two parts is being weakened with every open/ close.
  • redvisionredvision Posts: 2,739
    The only two chains I had snap during a ride were both shimano and both had the joining pin, not a quick link.
  • joe_totale-2joe_totale-2 Posts: 1,332



    Edited to add, that Shimano only recommend using their quick links once, so these people who fit a Shimano quick link so that they can remove their chain to clean it are setting themselves up for a roadside repair… they do work when used multiple times, but one can only suspect the interference fit of the two parts is being weakened with every open/ close.

    I've used some Shimano quick links multiple times as I like to remove the chain to clean it properly and have never had any issues with them breaking.

    Shimano are just covering their backs, perhaps the same ham fisted mechanics are the ones who may not put a quick link back on properly.

  • veronese68veronese68 Posts: 24,583 Lives Here
    pblakeney said:

    Not sure, I think I began to notice people breaking chains at the time quick links made an appearance, so I always thought that was the reason... but it's also true QL made an appearance at the time when more "all the gear no idea" folks began cycling, around the Wiggins time

    Also around the time thinner 11 speed made inroads, and now 12 speed.
    Been using QL on 11 speed since 2009, no issues.
    I'd agree with this, also on old chains the pins used to stick out a little from the plates. Modern chains tend to be flush so failure looks more likely.
  • davidofdavidof Posts: 2,542
    redvision said:

    The only two chains I had snap during a ride were both shimano and both had the joining pin, not a quick link.

    On the thin chains you have to be careful with the pins that they are correctly done, normally the system is idiot proof but I snapped a chain at the pin and injured myself quite badly so I go quick links now.
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  • akhakh Posts: 177
    @ugo.santalucia I bought a 105 chain from Wiggle just before Christmas and it came with a pin, so there is still some old stock knocking about it seems.

    I've used both and never had an issue with either, then again I've never broken a chain either.
  • pilot_petepilot_pete Posts: 2,100
    edited 16 July



    Edited to add, that Shimano only recommend using their quick links once, so these people who fit a Shimano quick link so that they can remove their chain to clean it are setting themselves up for a roadside repair… they do work when used multiple times, but one can only suspect the interference fit of the two parts is being weakened with every open/ close.

    I've used some Shimano quick links multiple times as I like to remove the chain to clean it properly and have never had any issues with them breaking.

    Shimano are just covering their backs, perhaps the same ham fisted mechanics are the ones who may not put a quick link back on properly.

    Indeed, ham fisted is ham fisted, but it’s significantly easier to put a quick link on, then lock it and clearly see if its fitted correctly or not.

    And good luck with the reusing of your quick link. For the peanuts they cost I’d rather not take the risk and so I’ll leave mine on once fitted and clean my chain in situ, until I replace both chain and link. Each to their own.
  • First.AspectFirst.Aspect Posts: 7,280
    I used a single quick link for about 5 years. This tells me two things. 1. I'm not organised enough to order a quick link from wiggle at the same time as ordering a new chain and 2. However they make quick links, it's better than the rest of the chain.
  • pilot_petepilot_pete Posts: 2,100

    I used a single quick link for about 5 years. This tells me two things. 1. I'm not organised enough to order a quick link from wiggle at the same time as ordering a new chain and 2. However they make quick links, it's better than the rest of the chain.

    Point 2 is possibly correct, but I’d rather not find out the hard way for the sake of a couple of quid.

    Having said that new Shimano chains come with a quick link now so point 1 shouldn’t be an issue, and it doesn’t cost anything extra.
  • MattFalleMattFalle Posts: 5,632
    repeatedly used kmc quick links on different chains for years.

    never had a single issue.

    its a quick link on a chain.
  • webboowebboo Posts: 3,781
    edited 17 July
    I recently fitted a new Shimano chain on my bike. It kept jumping as the quick link seemed to be stiff, took it off and refitted still the same. So I put on the one from the old chain and it’s been fine, although now I have said that. It will now fail catastrophically and I will die a horrible death.
  • First.AspectFirst.Aspect Posts: 7,280

    I used a single quick link for about 5 years. This tells me two things. 1. I'm not organised enough to order a quick link from wiggle at the same time as ordering a new chain and 2. However they make quick links, it's better than the rest of the chain.

    Point 2 is possibly correct, but I’d rather not find out the hard way for the sake of a couple of quid.

    Having said that new Shimano chains come with a quick link now so point 1 shouldn’t be an issue, and it doesn’t cost anything extra.
    You know, it wouldn't hurt to lighten up a bit.
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