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  1. #1
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    Favorite Chain - SS29er

    I know this has probably been discussed before, but i didnt find much in my search.

    I broke my chain twice in the last week on a tough climb and I am looking to replace it with te toughest chain i can buy.

    I was looking at the kmc chains like this:

    http://www.pricepoint.com/detail/206...peed-Chain.htm

    but wasnt sure what the 1/8" or 3/32" meant......and if it would stand up to dirt, mud......general abuse.

    My setup is pretty simple....running the typical 32 x 18 gearing (at least normal here) stock on a gary fisher rig.

    so guys, any advice?

  2. #2
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    I have a D101 on my track bike. It's nice for that purpose but still it's pretty heavy... one full pound. But it runs nice and I can trust it. On my Selma I have the KMC X-9SL and it's been great this year. My XTR chain runs fantastically too. I've really started liking high end 9spd chains over 1/8" SS chains. I'll put a 9spd chain on my track bike as soon as I need to replace the chaining so I can swap to a 3/32 drivetrain.

    1/8 and 3/32 is the width of the chain. Your drivetrain can be 3/32 (8/9spd) or 1/8. An 1/8 chain can be run on a 3/32 drivetrain, but not the other way around.

  3. #3
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    Good to hear. It may be my riding style causing this, because i am a masher rather than a smooth spinner (6' - 200lbs with gear). I recently converted back from a 32 x 16 setup to a 32 x 18 because i thought that was breaking chains.

    I am ok on the weight penalty if it is that much more reliable, but you have me concerned on the 1/8" vs. 3/32", sounds like i need steer away from the D101 and more towards an 8 speed chain?

    Or am i reading this wrong?

    Thanks again for the help.

  4. #4
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    I'm 6'3 ,215 and use a SRAM PC-850 on my SS with good results. When I was 235, I broke a couple of KMC Z610 1/8 chains which steered me away from them.

  5. #5
    RLK
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    Another vote for the SRAM 8-speed chain.

  6. #6
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    +1 for SRAM 8-speed, I read this before I ever started SS.

    http://surlybikes.com/blog/spew/3_-_...d_drivetrains/

  7. #7
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    Sram 850 or 870. I think jenson or pricepoint is selling last years chains and they are heavily discounted.

    Surly sums it up perfectly in that blog.

  8. #8
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    KMC K810 or the KMC K810SL if you can find it. Been running them for years never broke one.

  9. #9
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    I have been running a SRAM 870 on my SS since new.

    I did break one at a race this Summer, but I think I had the chain too tight, which could be your issue as well. It on;y had 400-500 miles on it, at the most.

  10. #10
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    SRAM 8-speed chain here.... PC-890

  11. #11
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    Quote Originally Posted by Schmucker
    I have a D101 on my track bike. It's nice for that purpose but still it's pretty heavy... one full pound. But it runs nice and I can trust it. On my Selma I have the KMC X-9SL and it's been great this year. My XTR chain runs fantastically too. I've really started liking high end 9spd chains over 1/8" SS chains. I'll put a 9spd chain on my track bike as soon as I need to replace the chaining so I can swap to a 3/32 drivetrain.

    1/8 and 3/32 is the width of the chain. Your drivetrain can be 3/32 (8/9spd) or 1/8. An 1/8 chain can be run on a 3/32 drivetrain, but not the other way around.
    a 9 speed chain is not 3/32". It's about 10% narrower. Sometimes this causes issues with fitting on singlespeed cogs and chainrings.

  12. #12
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    I use SRAM 8 speed... but on smaller hoops. It might not work well with 29ers.

  13. #13
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    i use 1/8in ring and cog, and a SRAM PC7X chain.

  14. #14
    is buachail foighneach me
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    Sram 8sp chains for the last 6 years now. Ran kmc 410h's for about 6 years before that. They break about as often as each other but the srams are lighter.

  15. #15
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    What chains were you using which broke? How did you join the chain together?

    I suspect it may not be the chain's fault, and something else is causing the chain to break.

  16. #16
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    I am running whatever came on my Rig from Fisher. I am going to take the forums advice and try one of the 8 speed chains......could be my old one is just worn out....it happens.

  17. #17
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    Belt Drive?

    I (like many others) use SRAM 8-speed chains, but I have been thinking about changing to a belt drive, since belt seems to need less maintenance.

    Anybody have an opinion on belt drive reliability and strength? (Oh yeah, and cost.)
    The Lee-Man

    A witty saying proves nothing. -- Voltaire

  18. #18
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    Quote Originally Posted by LeeMan
    Anybody have an opinion on belt drive reliability and strength? (Oh yeah, and cost.)
    Belt drive is NOT maintenance free. My opinion is stay with chain; there's a reason it's stuck around so long.

  19. #19
    L09erdr
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    Wow cant believe how many here are saying to run a multispeed chain on a SS bike. Run what you like I suppose but I always say a SS specific drivetrain needs a SS specific chain (within reason) depends on the situation and cog/chainring type. Same goes for 1/8 or 3/32 chains/cogs. The proper thing to do is match chain size with your chainwheel/cog teeth size. More wear and tear can occour if you decide to mismatch.

    To the original poster, are you setting your chain tension too tight? You should have about 1/4 to 1/2 ich of play in your chain. The tighter you tension your chain the more overall constant stress it puts on the chain not only while pedaling normally but when your mashing as well.

    Seabass_ The Z610 is a 3/32 chain... You must have had and broke the z510 which is a 1/8 chain. Thats a strong chain to break either way high tensile strength. What part of it roke a sideplate or did you not have one of the pins properly set?

  20. #20
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    Anyone here run a KMC S1 1/8 ss chain? How have you found them.

  21. #21
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    Quote Originally Posted by L09erdr
    Wow cant believe how many here are saying to run a multispeed chain on a SS bike. Run what you like I suppose but I always say a SS specific drivetrain needs a SS specific chain...
    Uh, no. A multispeed chain works fine, and generally multispeed chains are the highest quality and among the strongest.

  22. #22
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    Kmc 710sl

  23. #23
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    Quote Originally Posted by L09erdr
    Seabass_ The Z610 is a 3/32 chain... You must have had and broke the z510 which is a 1/8 chain. Thats a strong chain to break either way high tensile strength. What part of it roke a sideplate or did you not have one of the pins properly set?

    My bad, it was the z410. A sideplate just broke off during a climb causing me to smash the jewels on the top tube! I posted pics here.

    WTF happened here????

  24. #24
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    Quote Originally Posted by Tricone
    Anyone here run a KMC S1 1/8 ss chain? How have you found them.
    See post 21

  25. #25
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    Quote Originally Posted by L09erdr
    Wow cant believe how many here are saying to run a multispeed chain on a SS bike...?
    I think the fella's over at Surly said it best here: http://surlybikes.com/blog/spew/3_-_...d_drivetrains/

    Quote Originally Posted by Surly
    4. 1/2x1/8" chains vs. 1/2x3/32" chains. 1/2x1/8" chains suck. Run whatever you want, but bigger isn't better here. Yeah, they're wider, but according to manufacturer-supplied data, they're not stronger and they are definitely not of better quality. Multi-speed drivetrains is where the bucks are at, and chains that work on such drivetrains are where the manufacturers of chains showcase their innovations and developments in quality. The rollers are better, the plates are better, the pins are stronger, and the construction method (riveting procedure) is better on all multi-speed 3/32" chains.
    I didn't base my decision on chains because Surly said so, I based it on my own experience. Surly just took the time to properly put it on paper.

  26. #26
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    Sram Pc-850!

  27. #27
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    Sram 8 speed chains can break. But hey this is probably true of all chains (except perhaps the insanely heavy Wipperman BMX 1G8 singlespeed chain).
    Attached Thumbnails Attached Thumbnails Favorite Chain - SS29er-p2231970.jpg  


  28. #28
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    I use the cheapest SRAM 9 speed chain the shop has in stock. This way my spare powerlinks work with either the geared or SS bike.

    The only time I've broken a chain on the SS was when I bashed it on a rock.

  29. #29
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    I just switched to a KMC X9 silver chain . It's a 9 speed chain . I originally used a KMC S1 singlespeed chain. The X9 is way more silent and hasn't broken or rusted yet . the links and pins are stainless so they are very resistant to these reactions .

  30. #30
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    I haven't broken a chain in a long time [I switched to Sachs-Sedis in the mid-90s], but I "stretch" them regularly to the point where they start to skip, which sucks. I was running SRAM 8spd chains for a long time, but recently tried out 9spd Dura-Ace. Nice chain, minimal elongation. I'm interested to see how it will hold up over the winter.
    @pinkrobeyyc
    #pinkrobeyyc

  31. #31
    L09erdr
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    Could be all very well and true what Surly states on their website page and sure you can run a multi speed chain on anything. Heck you can run a SS chain on a geared bike as well but thats not very wise.. Chains are designed for specific uses, I agree about the 1/8 chain vs a 3/32 chain it is mainly weight but at the same time its wise to match the sprocket tooth thickness size to your chain size.

    I'll never see eye to eye with those that swear by a multispeed chain on a SS setup. Innovations and technology isnt always better. They said alot there to promote the multispeed chains and they also stated its "where the money is" isnt that interesting. They didnt go into the part about how in most derailleur transmission chains (7,8,9 speed), the link plates are bent or cut so that the chains can change smoothly on the front or rear sprockets. They didnt talk about how the multi speed chains have more side to side flex either. These things can make chain skipping that much easier or more prone to happen on a SS setup.

    Anyway, back to the topic...Ever look at halflink chains (have been broken but quite strong) ? My best advice to answer this post (which I said above) is make sure your chain tension isnt set too tight. When looking for your next chain be it SS or multispeed pay attention to the tensile strength spec.

  32. #32
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    Quote Originally Posted by L09erdr
    Could be all very well and true what Surly...
    Sure multispeed chains are designed to make shifting easier, but the simple fact is if your chainline is good, it's a complete non-issue. If your chainline is off, and you're trying to use a single speed chain to keep the chain from dropping, then you're treating the symptom instead of simply taking care of the problem.

    Halflink chains generally seem to stretch faster, are heavier, and more than a single half link in a chain is complete waste.

  33. #33
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    Quote Originally Posted by Tricone
    Sram 8 speed chains can break. But hey this is probably true of all chains (except perhaps the insanely heavy Wipperman BMX 1G8 singlespeed chain).
    Was a Pwerlink used to join the chain, or was the pin pushed out and then pushed back in?

  34. #34
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    When first converted a bike to SS I used a XTR 9 speed chain because it was pretty much new and I figured it made sense to at least try it.... it did not play well at all with the Salsa 32T SS front ring and Surly rear cog- it bound and did not seem to mesh well-

    I then went with a cheapy sram pc-1 and it worked well for a bit but I ended up beding/kinking it so it dropped every ride until I figured it out... and figured I would go a bit overboard and get the beefiest chain I could... I hate dropping a chain on a steep climb and wondering what part of my body will hit the stem, top tube or whatever I ended up going with a KMC Premium HX Series and it is not light but I go 210 or so and usually squeak out a climb rather than get off and walk- maybe putting a bit too much stress on the chain than I should?

    It goes without saying but chain line can make even the strongest chain cry for help -
    I Just wish I could ride more!


  35. #35
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    Quote Originally Posted by bad mechanic
    Was a Pwerlink used to join the chain, or was the pin pushed out and then pushed back in?
    No powerlink anywhere near this link. This chain was new and this was noticed about a week later (admittedly 1200km of riding occured in that week). It was joined by a powerlink further away.

  36. #36
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    Cheapest SRAM 8 speed chain I can find.

  37. #37
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    Quote Originally Posted by knottshore
    When first converted a bike to SS I used a XTR 9 speed chain .... it did not play well at all with the Salsa 32T SS front ring and Surly rear cog- it bound and did not seem to mesh well-
    I have been very pleased with XTR/DA (CN-7701) chains with whatever 3/32 chainrings and cogs I've had. Now using Blackspire rings and On-One Groove Armada cogs. Lasts longer than anything alse I've tried, too.

    "it IS possible that you are faster or slower than anybody else who is having at least as much if not more or less fun"

  38. #38
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    KMC Kool chain 3/32 bomb Proof

  39. #39
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    [QUOTE=L09erdr]Could be all very well and true what Surly states on their website page and sure you can run a multi speed chain on anything. Heck you can run a SS chain on a geared bike as well but thats not very wise.. Chains are designed for specific uses, I agree about the 1/8 chain vs a 3/32 chain it is mainly weight but at the same time its wise to match the sprocket tooth thickness size to your chain size.

    I'll never see eye to eye with those that swear by a multispeed chain on a SS setup. Innovations and technology isnt always better. They said alot there to promote the multispeed chains and they also stated its "where the money is" isnt that interesting. They didnt go into the part about how in most derailleur transmission chains (7,8,9 speed), the link plates are bent or cut so that the chains can change smoothly on the front or rear sprockets. They didnt talk about how the multi speed chains have more side to side flex either. These things can make chain skipping that much easier or more prone to happen on a SS setup.

    QUOTE]

    Well, when I talked to the Hive about which chain to run on my Fifteen G SS cranks, and they said without question that a high quality 9sp chain is the best. And they give very good reasons as to why.

    Quoted from the Fifteen G faq:

    Can I run a BMX/SS chain with my Fifteen.G Single Cranks?
    BMX/SS Chains such as the SRAM™ PC-1 are not recommended. These chains are wider than 8 or 9 speed chains and can create significant noise. Additionally, the chain floats back and forth and the radiused sections of the inner link plates tend to catch on the chainring tooth. We recommend using a 9 speed chain of any brand.

    Also note that using a SS/BMX chain requires the use of a SS/BMX 1/8” tooth-width freewheel, an 1/8” tooth width chainring, or both. It will not work with 3/32” or 2mm width teeth at both ends. As described above, SS or BMX chains typically have more play in the pin/bushing interface than shifting chains. Because of this, any misalignment is taken up in one or two links, as opposed to multiple as on a shifting chain (which uses tighter pin/bushing fits). For example, on a White Industries freewheel, or any which specifies a 3/32” chain, BMX/SS chains floats back and forth on the tooth. The chainring tooth radii are slightly larger than the bushing section, so the chain hops up and down a little. The same goes for our chainring which is 2mm wide, to allow for use in 1x9 systems or with a 9 speed chain.
    Stuffing our faces at an ever smaller table.

  40. #40
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    everyone's an engineer on this forum. Do they hand out degrees with membership?

  41. #41
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    Quote Originally Posted by ISuckAtRiding
    everyone's an engineer on this forum. Do they hand out degrees with membership?

    But what if I really am an engineer?

    Really the chain doesn't matter as long as you use a 29er specific lubricant on it!

  42. #42
    Ovaries on the Outside
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    Quote Originally Posted by jonw9
    But what if I really am an engineer?

    Really the chain doesn't matter as long as you use a 29er specific lubricant on it!
    We still want to know if mtber hooked you up. 29ers don't need chains, they roll over things so well.

  43. #43
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    Quote Originally Posted by umarth
    We still want to know if mtber hooked you up. 29ers don't need chains, they roll over things so well.
    29er is the new Danny Trejo.

  44. #44
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    Quote Originally Posted by umarth
    We still want to know if mtber hooked you up. 29ers don't need chains, they roll over things so well.
    Just with my undergrad, I got my masters from bikeforums.

  45. #45
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    Quote Originally Posted by jonw9
    Just with my undergrad, I got my masters from bikeforums.
    Rough. Couldn't get into a better school?

  46. #46
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    Werd

    Quote Originally Posted by ionsmuse
    I use the cheapest SRAM 9 speed chain the shop has in stock. This way my spare powerlinks work with either the geared or SS bike.
    But at a buck 35, I doubt I'd break a paper mache~ chain!
    Wait whuuut, who did he tell you that!?!?....

  47. #47
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    I also use/vote for the SRAM 8 speed, but I'm thinking of switching to a Wipperman Stainless chain. They're expensive, but oh so cool. Anyone ridden 'em?

  48. #48
    L09erdr
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    Listen!

    [QUOTE=OdinOrion]
    Quote Originally Posted by L09erdr
    Could be all very well and true what Surly states on their website page and sure you can run a multi speed chain on anything. Heck you can run a SS chain on a geared bike as well but thats not very wise.. Chains are designed for specific uses, I agree about the 1/8 chain vs a 3/32 chain it is mainly weight but at the same time its wise to match the sprocket tooth thickness size to your chain size.

    I'll never see eye to eye with those that swear by a multispeed chain on a SS setup. Innovations and technology isnt always better. They said alot there to promote the multispeed chains and they also stated its "where the money is" isnt that interesting. They didnt go into the part about how in most derailleur transmission chains (7,8,9 speed), the link plates are bent or cut so that the chains can change smoothly on the front or rear sprockets. They didnt talk about how the multi speed chains have more side to side flex either. These things can make chain skipping that much easier or more prone to happen on a SS setup.

    QUOTE]

    Well, when I talked to the Hive about which chain to run on my Fifteen G SS cranks, and they said without question that a high quality 9sp chain is the best. And they give very good reasons as to why.

    Quoted from the Fifteen G faq:

    Can I run a BMX/SS chain with my Fifteen.G Single Cranks?
    BMX/SS Chains such as the SRAM™ PC-1 are not recommended. These chains are wider than 8 or 9 speed chains and can create significant noise. Additionally, the chain floats back and forth and the radiused sections of the inner link plates tend to catch on the chainring tooth. We recommend using a 9 speed chain of any brand.

    Also note that using a SS/BMX chain requires the use of a SS/BMX 1/8” tooth-width freewheel, an 1/8” tooth width chainring, or both. It will not work with 3/32” or 2mm width teeth at both ends. As described above, SS or BMX chains typically have more play in the pin/bushing interface than shifting chains. Because of this, any misalignment is taken up in one or two links, as opposed to multiple as on a shifting chain (which uses tighter pin/bushing fits). For example, on a White Industries freewheel, or any which specifies a 3/32” chain, BMX/SS chains floats back and forth on the tooth. The chainring tooth radii are slightly larger than the bushing section, so the chain hops up and down a little. The same goes for our chainring which is 2mm wide, to allow for use in 1x9 systems or with a 9 speed chain.
    Nice try but, they are referring mainly to the SRAM PC1 which is a 1/8 sized chain. They also are referring to a SS/BMX chain as only a 1/8 sized chain. Of course its going to move side to side on a 3/32 chainring/cog. vs a 3/32 8-9speed chian. Lets get a non brand specific better write up comparing 8-9 speed 3/32 chains vs SS 3/32 chains on 3/32 sized gears. You must not have comprehended/believed what I posted above or you misread this information you posted from Fifteen G. Fifteen G doesnt use 1/8 sized chainrings so of course they are not going to reccomend a 1/8 sized chain. Dont try and prove something wrong that you dont understand.

  49. #49
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    Does the X9 SL work ok? I'm looking for a hollow pinned and cutout plated chain. I currently ride the KMC 710SL-Ti.
    Lead actor Will of the Sun, Author Platform Pedal Shootout 820K views

  50. #50
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    L09erdr: You're not entirely right either. The Wi ENO freewheel example FifteenG illustrates is totally true. I have a 3/32 chainring (UNO) and 3/32 freewheel (ENO). It happened last Friday on the EBBP ride where I hammered out of saddle and the chain jumped. Tension is tight, sliders totally locked down, but the slight play between 3/32 and 1/8 is real. It's usually fine, but on some occassions when i drop the hammer, i have a slight non-confidence in the drivetrain.
    Lead actor Will of the Sun, Author Platform Pedal Shootout 820K views

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