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http://www.adventureunicyclist.com/articles2/general/klaas-bils-total-gear-ratio/
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https://en.wikipedia.org/wiki/Gear_inchesEffort of Acceleration Level?Top Speed Capability = Total Gear Ratiohttp://www.softschools.com/formulas/physics/torque_formula/59/
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Rim + Tyre + Crank ComboWeightDiameter inflated tyre (mm)Crank Length (mm)Gear Ratio x InertiaTotal Gear RatioTorque with 80N of forceMoment of Inertia (kg*m^2)angular
acceleration
to accelerate
5 m/s^2
Force to
accelerate
5 m/s^2
70 kg rider
(Gain ratio =1)
Force to
accelerate
5 m/s^2
75 kg rider
(Gain ratio =1)
Force to
accelerate
5 m/s^2
70 kg rider
(at pedal)
Force to
accelerate
5 m/s^2
70 kg rider
(at pedal)
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DLower is BetterHigher is BetterTorque at 80NI = m*r^2(2*5 m/s^2)/D[m]F=m*a+I*α
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20Answer Pinacle 20 + DTH 1.95 100mm7125041000.12.52800.0519.84126984354.45712379.45712893.2319424893.2319424
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20Answer Pinacle 20 + DTH 1.95 89mm712504890.12.83710.0519.84126984354.45712379.457121003.6313961003.631396
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24Pinacle Answer 24 + DTH 1.75 118mm7605991180.22.54940.0716.69449082354.9381379.9381900.881025900.881025
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24Pinnacle Answer 24 + Vee Tire MK3 125mm8106051250.22.421000.0716.52892562355.275125380.275125859.7658025859.7658025
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24Pinacle Answer 24 + Vee Tire MK3 118mm8106051180.22.56940.0716.52892562355.275125380.275125910.7688586910.7688586
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24Nimbus 2 24 + Kenda 165mm11536091650.21.851320.1116.42036125357.5204425382.5204425659.7877257659.7877257
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20Nimbus 2 20 + Pimp Gusset 100mm12455091000.22.55800.0819.64636542357.8092625382.8092625910.6245731910.6245731
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24Nimbus 2 24 + Kenda 125mm11536091250.32.441000.1116.42036125357.5204425382.5204425870.9197979870.9197979
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20Nimbus 2 20 + Pimp Gusset 89mm1245509890.22.86710.0819.64636542357.8092625382.80926251023.1736781023.173678
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20Nimbus 2 20 + Pimp Gusset 114mm12455091140.22.23910.0819.64636542357.8092625382.8092625798.7934851798.7934851
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20Answer Pinacle 20 + DTH 1.95 114mm7125041140.12.21910.0519.84126984354.45712379.45712783.5367916783.5367916
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36Nimbus Nightrider Light25509401252.13.761000.5610.63829787368.7425393.74251386.47181386.4718
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36Nimbus Nightrider28509401252.43.761000.6310.63829787370.9475395.94751394.76261394.7626
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Can also be calculated as Distance of Wheel travel in one revolution (circumference)Can also be calculated as Distance of pedal travel in one revolution (circumference)Total Gear Ratio or Gain Ratio, how far the wheel moves compared to feet in a revolution Distance Traveled by the bike vs Distance Traveled by pedals in one revolution (Sheldon Brown) = Torque/Moment of InertiaIn rad/s
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Nimbus 2 Stealth3951100
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Nimbus Nightrider Light
4701450
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