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Suspension layouts, frame standards, axle formats, electronics, and other engineering ideas that shape how bicycles work.
Technical entry
Heat-Affected Zone
The heat-affected zone (HAZ) is the region of base metal next to a welded or otherwise thermally joined area […]
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Fillet Brazing
Fillet brazing is a bicycle framebuilding technique in which mitered metal tubes are joined directly with brazing filler built […]
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TIG Welding
TIG welding is a fusion-welding process that creates an electric arc between a non-consumable tungsten electrode and the workpiece. […]
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Brazing
Brazing is a metal-joining process in which a filler metal is melted and used to join components without melting […]
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Tube-to-Tube Construction
Tube-to-tube construction is a framebuilding method in which separately manufactured tubes are cut, aligned, and structurally joined to form […]
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Monocoque Frame
A monocoque frame is a bicycle frame whose thin-walled outer structure carries the primary structural loads rather than relying […]
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Void Content
Void content is the proportion of microscopic empty spaces within a composite laminate, usually expressed as a percentage by […]
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Wheel Dish
Wheel dish describes the lateral position of a bicycle rim relative to the hub’s installation centerline. A correctly dished […]
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Firmware
Firmware is software stored within an electronic component that controls how its hardware starts, communicates, and operates. In modern […]
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Controller
An e-bike controller is the electronic power-control unit that converts battery energy into the precisely timed electrical currents required […]
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Auto Shift
Auto Shift is an electronically controlled function that selects bicycle gears without requiring a separate shift command from the […]
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Free Shift
Free Shift is a Shimano e-bike function that allows a compatible electronic rear derailleur to complete shifts while the […]
Read entryTopics intentionally overlap. A drivetrain component can also be a technology; an e-bike system can include components, software, and manufacturing concepts. Cross-listing keeps related reference material discoverable from more than one path.
Technical entries are one part of bicycle knowledge for the life of the bike. Discover bicycles in the Archive, use the Encyclopedia to understand them, then carry useful context into Bike Reports or My Garage.