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https://cyclingapps.net
www.patreon.com/fastfitnesstips
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https://cyclingapps.net
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https://cyclingapps.net
FFT Magic Chain Wear Calculator
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https://cyclingapps.net
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https://cyclingapps.net
https://youtu.be/gDmUPMsGNKo
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>> Calculates your chain wear from *WHOLE LINKS* and predicts when its time to change chains <<
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A.
Prefer mm (enter 1) or inches (enter 2)
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you prefer mm
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B.
Enter Chain Length Measurement
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Exact measurement of any # of *whole links*
1277.94mmaka50 5/16
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optionally: enter measurement date
8.1inches
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As new your chain should be1270mmover50
You should measure >7 whole links
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links
as carefully as possible for an accurate
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assessment of wear (unless you have micrometer guage)
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C.Results
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Your Chain elongation % (vs ideal)
0.63percent
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Chain elongation (over measured section)
7.94mmaka 5/16
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inch
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Your typical watts when riding140watts
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Approx watts lost (vs ideal)2.04watts
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Our Recommendation >>>
consider replacing esp if 11 sp
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…..Optional wear rate section below………………..
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D.
ADVANCED: Chain Wear Predictor (from distance)
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Chain expiry threshold (eg 0.75%)
0.50
maybe too cautious?
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Your cycling distance per year
2500km
(in miles)
1553
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Predicted chain expiry date17-Jun-2022-56
already expired X days ago
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takes into account baseline wear+distance+watts under moderately adverse conditions
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