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FFT's formula #1 Finding correct tire/tyre pressure for Road TT Tri Cx MTB

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Published on Feb 10, 2017

This is the FastFitnessTips formula #1 for finding correct tyre pressure for your bike based on 1. total weight (rider+bike) 2. tyre width 3. front/rear balance 4. riding surface. Strangely tire pressure is hard to judge by "feel" because too hard a pressure give the illusion of speed because of a jittery/judery ride. It is now undeniable that riding on anything that is not super smooth requires a specific pressure which is often less than expected. Too high a pressure is very common at all levels because we just throw in 120psi and hope for the best. Few people have the time to test systematically by riding a course with 3/4/5 different pressures. This was done by German student Peter Nilges in MTB and by Silca/FLO cycling with surprising results. Conversely riding as low a pressure as possible is only logical for extremely poor surfaces and maybe snow / poor grass. IF you believe your optimum pressure differs from that stated here let me know below. IF you are able to test these XLS recommendations +/-10psi on 3 runs and report back that would be much appreciated !!

Google Sheets TIRE PRESSURE CALCULATOR
http://goo.gl/zonJ2i

XLS is on Patreon.com/fastfitness.tips


see Formula #2 and part 2 here: https://youtu.be/9UMF2DKU0DI

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