Free calculator
Bike Comparison Calculator
Compare two setups side by side and see exactly what a lighter bike, a more aero position, or better tires is worth — in speed at the same power, or in watts at the same speed.
Setups
Set A
Set B
Power (watts)
Rider weight (kg)
Bike weight (kg)
Grade (%)
Head wind (kph)
Distance (km)
Temperature (°C)
Elevation (m)
Efficiency (%)
Tires
Position
Rows marked with an orange dot differ between the two setups. Results update as you type.
Verdict
Both setups ride at the same speed.
Ride time is effectively identical over the set distance.
Set A
A28.4 kph
at 150 watts
Time1 h 03 min
Energy2278 kJ
Set B
B28.4 kph
at 150 watts
Time1 h 03 min
Energy2278 kJ