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Technical entry
Brose
Brose is a German automotive and mechatronics company that operated a major e-bike drive-system business from 2014 to 2025. […]
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Brose Drive S Mag
The Brose Drive S Mag is a performance-oriented mid-drive e-bike motor introduced in 2018. Developed primarily for e-MTB use, […]
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Shimano EP800
Shimano EP800, commonly called EP8, is a mid-drive e-bike motor introduced in 2020 for performance e-MTBs. It increased maximum […]
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Shimano EP801
Shimano EP801 is the second-generation EP8 mid-drive motor introduced as the successor to EP800. Designed primarily for performance e-MTBs, […]
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Shimano EP600
Shimano EP600, marketed as EP6, is a mid-drive e-bike motor positioned below the EP801. It delivers the same 85 […]
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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 […]
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.