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FastFitness.Tips Optimal Tyre Finder
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>> helps you find the best tyre by rolling resistance personalized to you from a list of 340 tyres <<
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>> remember that grip & comfort are improved by somewhat lower pressures typically seen in wider tyres <<
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DATA ENTRY
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a
Your Weight (including bike) >>
85kgAnyAny
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94AvocettAv
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Bontrager
Bo
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b
What is your prefered Tyre size (C)?
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<< Select Any for more tyres
ClementCl
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Options are: Any | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 32
Wider = better grip descending
Continental
Co
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DedaDe
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cEnter Clincher or TubularClincher
<<< Also try tubular (for tubeless use text search)
FeltFe
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Hutchinson
Hu
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d
Preferred Brand? ('Any' for all options)
Any
<<< Select Any for more tyres
IRCIR
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MichelinKendaKe
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MavicMa
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e
Optionally contains the text/words..............
tubelessMaxxisMx
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try these searches: "inflation" | "g+2" | "tubeless" | "normal" | "prix" | 4000 | 5000
MichelinMi
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PirelliPi
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ROLLING RESISTANCE RESULTS
RitcheyRi
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SchwalbeSc
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f
Lowest CRR tyre we could find is......
Michelin Pro 2 Light SC 23C (Latex)
Specialized
Sp
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ToreliTo
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gCRR of this tyre is0.00316crrTypicalTy
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VeloflexVe
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VittoriaVi
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h
True tyre width of this tyre using calipers is more like
..................23.00mm
Vredestein
Vr
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ZippZi
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i
Optimal pressure of this tyre (on mixed tarmac) is about
102.4psisee
https://fft.tips/pressure
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at your weight & this tyre size
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j
Estimated Rolling Watts (for pair F+R)
..........................
36.86
watts at speed of....
36.0kph
<<Enter your typical speed in kph
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on typical mixed road21.7
mph calc from above
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at your speed and weight10.5
your 50th percentile yaw @ ave speed
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k
Comparative CRR watts of Losses (vs pair of fastest tyres)
10.3w
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VS Vittoria Corsa Speed Open TLR 23C (tubeless)
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L
Absolute Watts by Specific Surface Conditions
.........................
21.6smooth
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Michelin Pro 2 Light SC 23C (Latex)37.3
rough see
https://fft.tips/surface
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46.3gravel/cobbles
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AERODYNAMIC RESULTS
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mTyre CDA (frontal area x drag)
..........................
0.018
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n
Aero Watts Loss (for pair F+R)
..........................
12.74
<< Estimated at speed/yaw corrected drag & 1.2Rho air density
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Extra Aero losses vs 19.0mm tyre at Zero Yaw1.35worse watts
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Aero Watts Losses vs 23.0mm tyre at Zero Yaw0.00worse watts
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EXCESS LOSSES (FRONT & REAR TYRE)
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EXCESS Watts of CRR Losses (vs the fastest clincher tyre)
10.3...per pair
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PLUS
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EXCESS Watts of AERO Losses (vs the best) (front & rear)
2.35
....per pair (At anticipated yaw )
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EQUALS
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EXCESS Watts of TOTAL Losses (vs hypothetical best)
12.64
...Good Choice but there are better
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raw cost was 49.6w
but narrow tyre might not match well with super wide rims internal rim of 22mm or above
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https://fft.tips/tyre
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This XLS is based on THREE large databases by Tom Anhalt & Al Morrison (BikeTechReview.com) & BicycleRollingResistance.com.
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FFT gives full original credit to these authors of this amazing work. Based on these databases we present the best knowledge possible on tyre choice as of June 2017 (see tab2)
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