Bafang Mid-Drive
Summary A Bafang mid-drive is an electric bicycle motor system produced by Bafang that delivers power through the bike’s crankset rather than the wheel hub. Known for high…
Velopedia Entries
An evolving encyclopedia of cycling brands, technologies, components, and history.
Auto Shift
Summary Auto Shift is an electronically controlled shifting function that automatically selects gears based on riding conditions rather than direct rider input. Used primarily in Shimano e-bike systems…
Free Shift
Summary Free Shift is an electronically assisted shifting function that allows a bicycle to change gears while the rider is not pedaling. Used primarily in Shimano e-bike systems…
Wheelbase
Summary Wheelbase is the distance between the front and rear wheel axles of a bicycle. It is a fundamental geometry measurement that influences stability, handling, weight distribution, and…
Fork Offset
Summary Fork offset is the horizontal distance between a bicycle fork’s steering axis and the front axle. It plays a critical role in determining steering feel, stability, and…
Brake Fade
Summary Brake fade is the temporary reduction or loss of braking effectiveness caused by excessive heat buildup within the braking system. It occurs when components such as pads,…
Shimano Di2
Summary Shimano Di2 is an electronically controlled bicycle drivetrain system that replaces mechanical shift cables with digital communication and electric motors. Designed to deliver precise, consistent shifting in…
Shimano E-Tube Project
Summary Shimano E-Tube Project is a software platform used to configure, customize, and update Shimano electronic bicycle systems. It allows riders and mechanics to fine-tune shifting behavior, motor…
Brake Modulation
Summary Brake modulation describes the rider’s ability to precisely control braking force between full engagement and complete release. Rather than focusing on maximum stopping power, modulation determines how…
Mechanical Disc Brake
Summary A mechanical disc brake is a bicycle braking system that uses a steel cable to actuate a caliper, pressing brake pads onto a rotor mounted at the…
Hydraulic Disc Brake
Summary A hydraulic disc brake is a sealed bicycle braking system that uses incompressible fluid to transfer force from the lever to the caliper. Known for their consistent…
Evolution of Disc Brakes
Summary Disc brakes are a bicycle braking system that use calipers and rotors to generate stopping force at the wheel hub. Initially developed for motorcycles and adopted in…