A gearbox bicycle is a bicycle that uses a gearbox to convert torque and rotational speed from the power source, usually the rider's legs,
Pinion Gearbox Bikes Pinion gearbox technology is based on spur gearing with two gearing sub-units connected on the output end. The combination of both
Gearboxes are much heavier than a conventional drivetrain and they also have a greater mechanical drag. Mountain biking remains an activity
In its most simple arrangement, a gearbox for a bicycle houses all shifting components within a fully-sealed box that is mounted to the frame. BikeRadar
Gearboxes are located at the lowest possible point on the frame, in the center of the bike. This allows the frame to have a better balance and
Why aren't gearboxes more popular than external drivetrains for mountain bikes? We asked several brands.