What The 'S' On Your Gear Shift Means (And When You Should Be Using It)
The first few letters on the gear selector are pretty self explanatory, with "P" meaning "Park," "R" meaning "Reverse," "N" ...
New Atlas3d
Bike makers invited to ditch the derailleur for combined motor/gearbox
Many ebikes sport a derailleur hanging out back to giver riders more flexibility than single-speeders. There are exceptions that combine gears with the motor, such as Pinion and Valeo. And now there's ...