E-bikes and scooters: battery range a year on, motors, brakes, and what the maker did when something failed.

Two across two brands, from 21 owner accounts. 2 of them thin, under 40 accounts.

• Hiboy S2→11accounts

  Too few owners yet for a fair reading.

• Rad Power Bikes RadRunner 2→10accounts

  Too few owners yet for a fair reading.

Order: how many owner accounts we read, most first. Nothing else moves a product up or down.