Velopedia Topics

E-Bike Systems

Motors, batteries, controllers, electronic drivetrains, and the integrated systems behind modern electric bicycles.

20 technical entries

Technical entry

Bosch

Bosch is a German engineering and technology company whose Bosch eBike Systems division develops integrated electric bicycle drive systems. […]

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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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Avinox

DJI Avinox is the commonly used name for the Avinox e-bike drive system originally developed within DJI. Introduced in […]

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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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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 […]

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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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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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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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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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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.

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