even those without a gear shifter. A single-speed bike, also known as a fixed bike, has one cog attached to the rear wheel, which is powered by a chain and chainring with pedals. You pedal the ...

Bike gears, and how they work ... Derailleurs: Often referred to as your front or rear mech, these guide the chain from one chainring or cog to another as you shift. The front derailleur manages ...

This recall involves Specialized Vado and Como IGH e-bikes with chain/belt guards. The recalled e-bikes have an internal gear hub (IGH) and no rear derailleur (gear shift). The Specialized Bicycle ...

The best pedalling cadence is at least 60 strokes (or revolutions) per minute, at least once per second. The goal is to ...