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#31
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Shimano chains - rivet reuse?
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#32
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Shimano chains - rivet reuse?
Alex Rodriguez wrote: In article om, says... If the chain is worn, then it is more costly to keep riding on it than to replace. I do not have 10sp (no need), but on my bikes riding hard in hilly terrain 1000-1500 mi is about where the chain *needs* to be replaced; very rarely I can get up to 2000 mi. I measure regularly, replace when needed. And due to that my chainrings and cassette cogs last a very long time. If you clean your chain properly and then oil it, you can get a very long life out of it. Same thing for the rest of your drivetrain. I had a 7spd dura-ace chain that laster over 15k miles with no measureable wear. I clean my chain, very well, off the bike in a solvent bath w/agitation, quite frequently. I lube it well. I ride hard, do lots of hills, etc. etc. Again, I replace when indicated by measuring elongation. I run good, quality chains - mid-range Shimano, mid-range SRAM, mid-range Wippermann (BTW, most of the difference between mid and high end is in finish and/or properties to make the chains lighter, so mid range should last at least as long as high end). As I said, rarely will a chain last over 2000mi, I think the longest I have had one run without needing replacement is 2500mi. Your assumptions that I am not cleaning/lubing are inferences you seem to pull out of mid air. If you clean your chain lube regularly and ride the flats to the market perhaps you can get longer life; if you ride hard like we do around here, then you get the life span I cited ... which is quite typical for most the riders in this area. - rick |
#34
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Shimano chains - rivet reuse?
My experience exactly matches yours. About three years ago I decided
to see how long I could make chains last on my general purpose bike by thorough cleaning (solvent baths) as often as I could bear it (every 2-3 weeks, about 300-400 miles). Answer: the same as they lasted before (and since). On the other hand I have one bike I only ride in fair weather in the summer. A chain on this lasted me for 20 years (sorry, can't convert to miles as this was pre-computer days - this is a low mileage bike, estimate only about 500 miles per year). I conclude that extending chain life is only possible in two ways: 1. By OBSESSIVE cleaning after each ride (though I have only hearsay evidence for this). 2. Only riding in clean, dry conditions (evidence from personal experience). Now I am happy to get 2000 miles out of a chain (sometimes a bit more, sometimes a bit less), safe in the knowledge that to get more requires a degree of dedication to cleanliness that I just don't have (one glance at my bikes confirms this). I do not believe that the terrain you ride is a material factor. Andrew Webster |
#35
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Shimano chains - rivet reuse?
Alex Rodriguez wrote: In article .com, says... Alex Rodriguez wrote: In article om, says... If the chain is worn, then it is more costly to keep riding on it than to replace. I do not have 10sp (no need), but on my bikes riding hard in hilly terrain 1000-1500 mi is about where the chain *needs* to be replaced; very rarely I can get up to 2000 mi. I measure regularly, replace when needed. And due to that my chainrings and cassette cogs last a very long time. If you clean your chain properly and then oil it, you can get a very long life out of it. Same thing for the rest of your drivetrain. I had a 7spd dura-ace chain that laster over 15k miles with no measureable wear. I clean my chain, very well, off the bike in a solvent bath w/agitation, quite frequently. I lube it well. I ride hard, do lots of hills, etc. etc. Again, I replace when indicated by measuring elongation. I run good, quality chains - mid-range Shimano, mid-range SRAM, mid-range Wippermann (BTW, most of the difference between mid and high end is in finish and/or properties to make the chains lighter, so mid range should last at least as long as high end). As I said, rarely will a chain last over 2000mi, I think the longest I have had one run without needing replacement is 2500mi. Your assumptions that I am not cleaning/lubing are inferences you seem to pull out of mid air. If you clean your chain lube regularly and ride the flats to the market perhaps you can get longer life; if you ride hard like we do around here, then you get the life span I cited ... which is quite typical for most the riders in this area. Maybe your roads are dirtier? Perhaps. Sometimes I ride unpaved sections, but that does not seem to affect chain life that much. My commute bike, which goes over some unpaved sections daily, gets the same life (in miles) as my fast bike, which almost never sees unpaved sections. Do you only oil a clean chain? Yes, but I clean/lube every 300 or so miles. - rick |
#36
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Shimano chains - rivet reuse?
Alex Rodriguez wrote: In article .com, says... Alex Rodriguez wrote: In article om, says... If the chain is worn, then it is more costly to keep riding on it than to replace. I do not have 10sp (no need), but on my bikes riding hard in hilly terrain 1000-1500 mi is about where the chain *needs* to be replaced; very rarely I can get up to 2000 mi. I measure regularly, replace when needed. And due to that my chainrings and cassette cogs last a very long time. If you clean your chain properly and then oil it, you can get a very long life out of it. Same thing for the rest of your drivetrain. I had a 7spd dura-ace chain that laster over 15k miles with no measureable wear. I clean my chain, very well, off the bike in a solvent bath w/agitation, quite frequently. I lube it well. I ride hard, do lots of hills, etc. etc. Again, I replace when indicated by measuring elongation. I run good, quality chains - mid-range Shimano, mid-range SRAM, mid-range Wippermann (BTW, most of the difference between mid and high end is in finish and/or properties to make the chains lighter, so mid range should last at least as long as high end). As I said, rarely will a chain last over 2000mi, I think the longest I have had one run without needing replacement is 2500mi. Your assumptions that I am not cleaning/lubing are inferences you seem to pull out of mid air. If you clean your chain lube regularly and ride the flats to the market perhaps you can get longer life; if you ride hard like we do around here, then you get the life span I cited ... which is quite typical for most the riders in this area. Maybe your roads are dirtier? Perhaps. Sometimes I ride unpaved sections, but that does not seem to affect chain life that much. My commute bike, which goes over some unpaved sections daily, gets the same life (in miles) as my fast bike, which almost never sees unpaved sections. Do you only oil a clean chain? Yes, but I clean/lube every 300 or so miles. - rick |
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