3 ms·

Unsprung mass

• bagels 13y ago
  Many bikes don't have any suspension springs. What is your point?
  • jessaustin 13y ago
    Possibly that the device won't stand up well to the rigors of regular riding? Potholes, curbs, railroad tracks, stairs, etc.? With all those different batteries, if any particular solder connection fails say once a year on average, this would be totally unusable after a few months.
• sitkack 13y ago
  The batteries don't rotate.