Calculators
Four small calculators help with the numbers. All values are rules of thumb and assumptions, not promises.
Range calculator
How far does the battery take you? As a range, with a cold-weather deduction.
Cost calculator
What does the conversion cost in total, and does it beat a used or new e-bike?
ETRTO and wheel sizes
Enter the tyre marking and learn the ETRTO size and the traps.
Bottom bracket calculator
Measure the shell width and see which mid-drive kits fit.