Configure
Your drivetrain
Battery
Motor Kv
Pinion
Spur
Differential
Gearbox
Wheel Ø
Top speed
76.8
km/h
47.7
mph
Estimated top speed with no load
Motor
24,420
RPM
No-load RPM · Outside the 25,000–35,000 RPM most brushless motors like
Motor heat
A rule of thumb from Kv, wheel size and gearing. Weight, grip and cooling change it.
Gear breakdown
Spur
2.46
ratio
Differential
2.92
ratio
Gearbox
1:1
ratio
Total
7.20
ratio
Pinion sweep
The same car with up to three teeth more or less on the pinion. Pick one to use it.
26T
Yours
76.8 km/h
47.7 mph
Total ratio 7.20
Warm
All figures are estimates under ideal conditions. Drivetrain losses, gear mesh, motor efficiency, battery sag, terrain, grip and weight all lower them: they are not a promise of real-world results.