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Search: Posts Made By: Racing Dan
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03-22-23, 04:44 AM
Replies: 128
Views: 6,556
Posted By Racing Dan

Honestly. That Vernier looks like garbage and its...

Honestly. That Vernier looks like garbage and its half silly to believe some wear point doesn't wear while others do. Wear on the inside of the rollers, that you claim isnt there, is even visible in...
03-19-23, 07:12 AM
Replies: 128
Views: 6,556
Posted By Racing Dan

Depending on what length of chain you are...

Depending on what length of chain you are measuring, a few tenth of mm roller wear can be significant.

If the gauge is only 6" = 152.4 mm and your "wear allowance" is 0.5% (153.16mm) then the max...
03-17-23, 07:03 AM
Replies: 128
Views: 6,556
Posted By Racing Dan

Yes, like that. They measure elongation with...

Yes, like that.

They measure elongation with the rollers pushed in the same direction, where older model gauges pushed rollers in opposite directions, thus adding roller wear to the measurement....
03-17-23, 02:56 AM
Replies: 128
Views: 6,556
Posted By Racing Dan

Is it? Im not convinced. Shimano, SRAM, Park...

Is it? Im not convinced.

Shimano, SRAM, Park and others all have chain gauges that are designed to exclude roller wear. Seem to indicate roller wear is not significant and including it may in fact...
03-17-23, 02:21 AM
Replies: 128
Views: 6,556
Posted By Racing Dan

Sure. Please do that :thumb: I have...

Sure. Please do that :thumb:


I have measured new Shimano, KMC and a YBN 10s chains. They were all close to 132.25 mm when measured as suggested by campy.


Taken at face value and assuming...
03-16-23, 09:32 PM
Replies: 128
Views: 6,556
Posted By Racing Dan

Sure. Its all over the place and opaque what the...

Sure. Its all over the place and opaque what the percentages is in reference to. Some toole even uses mm rather than %. Thus I made up my own campy like system, but with significant more allowance...
03-16-23, 09:11 PM
Replies: 128
Views: 6,556
Posted By Racing Dan

Or get a "11" rule" .. Its really silly...

Or get a "11" rule" .. Its really silly estimating outside the scale when can just use 11" or 11.5" as the reference length. (pin to pin distance in any bike chain is 0.5").
03-16-23, 03:49 PM
Replies: 128
Views: 6,556
Posted By Racing Dan

Good question. Who came up with these values and...

Good question. Who came up with these values and why. Industry standard is 1% and there is no logical reason it why its either 0.5% or 0.75% depending on 10s vs 11s. In shimano cassettes the actual...
03-16-23, 03:36 PM
Replies: 128
Views: 6,556
Posted By Racing Dan

Really? Measuring my own (non campy) chains...

Really?

Measuring my own (non campy) chains from new, in the way recommended by campy, they measure right about 132.25mm according to my digital calliper. 132.6mm is then 0.26% "wear" before...
Showing results 1 to 9 of 9


 
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