#51
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new chain, slack
By the way, is there a dedicated tool to
control chain slackness? Perhaps one could do one oneself - a bar and a pin? A ruler will do, of course... -- underground experts united http://user.it.uu.se/~embe8573 |
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#52
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new chain, slack
Take the new chain out of package
Lay on dedicated seasoned board Mark board every 6 inches /FOOT exactly at link center at these points Drill hole in board hang from wall |
#53
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new chain, slack
Yacan also do a 2nd mark group after hanging the new chain vertically on the wall...when warm out ...for a week ...see what difference. The stretched chain is a better comparison measure
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#54
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new chain, slack
avagadro7 wrote:
Yacan also do a 2nd mark group after hanging the new chain vertically on the wall...when warm out ...for a week ...see what difference. The stretched chain is a better comparison measure You are probably joking but for the record I mean when the chain is on the bike and in use. -- underground experts united http://user.it.uu.se/~embe8573 |
#55
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new chain, slack
On 1/2/2018 12:07 AM, Emanuel Berg wrote:
By the way, is there a dedicated tool to control chain slackness? Perhaps one could do one oneself - a bar and a pin? A ruler will do, of course... If you mean a tool to check the wear of a chain, yes there are several varieties. Here's one: https://www.parktool.com/product/cha...dicator-cc-3-2 There have been debates here about their accuracy. Measuring the length of 24 links is easy enough. FWIW, I'm still running some ancient SunTour freewheels on some bikes, since I was given a well-stocked spocket board. My bigger problem is determining when a cog is worn enough that it will skip with a new chain. -- - Frank Krygowski |
#56
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new chain, slack
Maybe wear is progressively elliptical ???
I mixed 2 twice n cannah see much diff... maybe if yawl took I'm off n putumayo back on a couplane times. ... |
#57
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new chain, slack
Frank Krygowski wrote:
If you mean a tool to check the wear of a chain, yes there are several varieties. No, I mean a tool to check how tightly the chain is mounted on the bike, which I suppose is a function of chain wear to some degree but even more so the distance between sprocket and chainring, i.e. how far the rear wheel is pulled back? And the method of quantification could be the possible vertical movement of the chain at its loosest? -- underground experts united http://user.it.uu.se/~embe8573 |
#58
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new chain, slack
On 1/2/2018 7:52 PM, Emanuel Berg wrote:
Frank Krygowski wrote: If you mean a tool to check the wear of a chain, yes there are several varieties. No, I mean a tool to check how tightly the chain is mounted on the bike, which I suppose is a function of chain wear to some degree but even more so the distance between sprocket and chainring, i.e. how far the rear wheel is pulled back? And the method of quantification could be the possible vertical movement of the chain at its loosest? I check vertical movement at the crank position where the chain is tightest. I don't think the measurement is critical, as long as there's a little slack - say at least a centimeter. -- - Frank Krygowski |
#59
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new chain, slack
Frank Krygowski wrote:
I check vertical movement at the crank position where the chain is tightest. I don't think the measurement is critical, as long as there's a little slack - say at least a centimeter. Yes, but is there a tool to do that? I mean to to *only* that... not a ruler. -- underground experts united http://user.it.uu.se/~embe8573 |
#60
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new chain, slack
On 1/2/2018 6:52 PM, Emanuel Berg wrote:
Frank Krygowski wrote: If you mean a tool to check the wear of a chain, yes there are several varieties. No, I mean a tool to check how tightly the chain is mounted on the bike, which I suppose is a function of chain wear to some degree but even more so the distance between sprocket and chainring, i.e. how far the rear wheel is pulled back? And the method of quantification could be the possible vertical movement of the chain at its loosest? http://www.yellowjersey.org/chainchk.html -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
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