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Discussion Starter · #1 ·
I don't know what the deal is, but I've busted 3 of them now.

I'm not sure which ones they are, but my first bike was an 07 Stumpy Comp, and I was climbing, and shifted, and the chain blew. I didn't feel like I really torqued it all that much though. It got replaced with a Shimano chain and no more problems. I sold that bike and had a friend build up a Titus for me. 3rd ride, and that Sram chain busted. I wasn't even shifting this time, it just broke. Went to the shop and they warranted the chain and gave me a new one. I'm out today and the new one friggin busted! Only maybe 8 rides of maybe 60 total miles. What gives???? Do I try and warranty this one too, or just switch, or is it all user error? Any help would be appreciated.
 

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Discussion Starter · #5 ·
Today when I was riding I was in 1 and 2, and shifted up to 1 and 4 on an uphill that I wanted to pick up some speed to run through a small rocky section. I shifted fine, and then when I really went to pedaling hard, it just snapped. It was a good 3-4 seconds after I finished my shift until I really cranked on the pedals though.
 

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I've personally never had a problem with a single SRAM chain that I've ever used, and I've been using them for quite some time. Their cassettes however are another story altogether... they're nothing but dog poop.
 

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Discussion Starter · #9 ·
On Sram X-7, 1 is the small ring on front, and 1 is the big ring on back. So 1 and 1 would be granny gear.

I don't think I'd say I'm a cylde, but I'm a pretty strong guy in the legs just from playing soccer for 13 years. It sounds like I just need to switch over to Shimano and be done with it.
 

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I have had little problems with my SRAMS. I have used both Shimano and SRAM with the same resuIts: occasional chain breakage, especially when the chain is really worn. I am not trying to cast dispersions, but maybe they were installed incorrectly, or grime with no lube, or shifting under torque. I am not saying they don't break, but not that often when used correctly. And the SRAM link rocks!
 

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A lot of riders seem to agree that Sram chains are easier to break, that said I had the same bike as you with the same chain and no problem, one of the rare components I didn’t have an issue with on that bike. I really like the PowerLink and other things about Sram chains but if your breaking Sram chains then you would do better with a Shimano one…
 

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I've used Shimano XT and SRAM 991 Cross-step. I finally broke the shimano chain after a few years and the SRAM is holding up fine after a few months of riding. Given the choice again I'd go with Shimano XTR with a powerlink in it.
 

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i know that someone's gonna correct me but, i've run SRaM, Shikkah and kmz... i've broken every one of 'em. i've put a knee-cap into my stem twice---hard.
---most chains [if not all] are produced by a robot at high speed - using the 'same' tech. variations occur w/ all brands.
a sudden 'break-away' is un-acceptable by any of these guys. a major lawsuit because of faulty 'whatever'.
my point is... a bad chain is rare, and not the norm
 

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I've broken one of each, sram and shimano. Run sram solely on my bikes now, and no problems since the last break. Lube, correct sizing and, learning how to shift go a long way in making a chain last.
 

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1 is the leftmost cog
I've had lots of trouble with the powerlink, and with sram chains overall. Shimano XT chains (XTR is too expansive) will uually last me around 4 to 6 months, and if one hasn't failed me, I'll pass it to the non-race bike, and get a new one.
 
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