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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*
130mmaka5 11/93
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optionally: enter measurement date
10/4/2024inches
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As new your chain should be127mmover5
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)2.36
percent
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Chain elongation (over measured section)
3.00mmaka11/93
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inch
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Your typical watts when riding150watts
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Approx watts lost (vs ideal)12.57watts
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Our Recommendation >>>
definately replace chain now
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Your cassette & chainrings very likely worn out too
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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%)0.80
moderate wear
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Your cycling distance per year8000km
(in miles)
4971
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Predicted chain expiry date7-Jan-2024-108
already expired X days ago
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takes into account baseline wear+distance+watts under moderately adverse conditions
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