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Suspension layouts, frame standards, axle formats, electronics, and other engineering ideas that shape how bicycles work.
Technical entry
Friction Shifting
Friction shifting uses a continuously adjustable lever to control derailleur position without fixed gear stops. The rider moves the […]
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Indexed Shifting
Indexed shifting uses defined shifter positions to move a derailleur or internal gear mechanism between specific gears. In a […]
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Cadence Sensor
A cadence sensor detects crank rotation in an e-bike pedal-assist system. It tells the controller when the rider is […]
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Single Pivot Suspension
A single-pivot rear suspension carries the rear axle on a swingarm that rotates around one fixed pivot on the front triangle. The axle follows a circular arc centered on that pivot. Extra links may…
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Layup Schedule
A layup schedule is the manufacturing plan that defines the material, shape, orientation, position, and stacking order of every […]
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Prepreg Carbon
Prepreg carbon is carbon-fiber reinforcement supplied with a controlled amount of resin already incorporated into it. It is the […]
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Power Meter
A cycling power meter measures the mechanical power a rider produces and reports it in watts. Most systems determine […]
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Four-Bar Suspension
Four-bar suspension is a family of bicycle suspension systems built around four rigid members connected in a closed loop […]
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Split Pivot Suspension
Split Pivot is a four-bar rear suspension system developed by David Weagle and identified by a linkage pivot concentric […]
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Maestro Suspension
Maestro is Giant Bicycles’ dual-short-link rear suspension system. A rigid rear triangle is connected to the main frame by […]
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Chainline
Chainline is the lateral position of a bicycle’s chainring relative to the frame centerline and rear sprockets. Correct chainline […]
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Brose
Brose is a German automotive and mechatronics company that operated a major e-bike drive-system business from 2014 to 2025. […]
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.