Technical entry
Chainring Offset
Chainring offset is the lateral distance between a chainring’s mounting surface and the center plane of its teeth. It […]
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Components
Individual parts, interfaces, and standards across drivetrains, brakes, wheels, suspension, and cockpit hardware.
21 technical entries
Technical entry
ISCG
ISCG is the original International Standard Chain Guide interface introduced in 2003. It defines the position of three threaded […]
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ISCG-05
ISCG-05 is a standardized frame interface for mounting chain guides, bash guards, and related drivetrain-protection devices near a bicycle’s […]
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Chain Guide
A chain guide is a drivetrain component that limits chain movement around the chainring to reduce the chance of […]
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Chain Damper
Chain damper is an informal term for components that reduce uncontrolled chain movement or isolate the rider and suspension […]
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Clutch Derailleur
A clutch derailleur is a rear derailleur with a chain-stabilizing mechanism that resists unwanted cage rotation. By controlling movement […]
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Derailleur Hanger
A derailleur hanger is the interface that positions a conventional rear derailleur relative to the bicycle frame and cassette. […]
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Derailleur
A derailleur is a bicycle drivetrain component that moves the chain between sprockets or chainrings to select different gear […]
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Bafang Mid-Drive
A Bafang mid-drive is an electric-bicycle drive unit that applies motor power through the chainring and bicycle drivetrain rather […]
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Shimano Di2
Shimano Di2 is an electronic shifting platform that uses switches, digital communication, and motor-driven derailleurs instead of conventional shift […]
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Mechanical Disc Brake
A mechanical disc brake is a bicycle braking system in which a hand lever pulls a steel inner cable, […]
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Hydraulic Disc Brake
A hydraulic disc brake uses a low-compressibility fluid to transmit pressure from a handlebar-mounted master cylinder to pistons in […]
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