Chainline

Summary Chainline refers to the lateral alignment between a bike’s front chainring(s) and rear cog(s). It plays a key role […]

Pedal Assist (PAS)

Summary Pedal Assist, often abbreviated as PAS, refers to a control system in electric bicycles where the motor provides power

Summary A layup schedule is a detailed plan that defines the number, orientation, and placement of composite fiber layers—typically carbon

Summary Boost Spacing is a hub and drivetrain standard introduced to widen axle widths, increase spoke bracing angles, and improve

Summary Head tube angle is the angle formed between a bike’s steering axis and the ground. It plays a foundational

Summary Axle-to-crown is a measurement used in bicycle design to indicate the vertical distance from the axle of a fork

Summary Effective top tube (ETT) is a key frame geometry measurement that defines the horizontal distance between the head tube

Summary MTB geometry refers to the angles, lengths, and dimensions that define how a mountain bike fits and handles. These

Summary The instant center is a theoretical point around which a suspension system rotates at any given moment in its

Summary Front-center is a key measurement in bicycle geometry that refers to the horizontal distance from the bottom bracket to

Summary Suspension sag adjustment is the process of setting how much a bicycle’s suspension compresses under the rider’s body weight—gear

Summary Q-Factor refers to the horizontal distance between the outer faces of a bicycle’s crank arms at the pedal interface.