The AutoBike NuVinci N360 ($1000) has onboard terrain-detecting sensors linked via computer to an automatic gear-shifter, all powered by a dynamo.
Finally – dynamic cycling for the thumbless.
The AutoBike NuVinci N360 ($1000) has onboard terrain-detecting sensors linked via computer to an automatic gear-shifter, all powered by a dynamo.
Finally – dynamic cycling for the thumbless.