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Technical specifications

Motion can only be smooth if all components are perfectly tuned to one another and everything works perfectly. TQ adheres to a consistent quality management concept of the highest standards, with drive systems developed in accordance with German mechanical engineering directions and IEC/DIN EN 62061 norms. We can assist in gaining rapid vehicle certification thanks to close cooperation with well-known testing and certification service providers. All drives are assembled in our own factory in Peiting in Upper Bavaria.

 TQ HPR 120S 25 km/hTQ HPR 120S 45 km/hTQ HPR 120S RaceTQ HPR 120C
Rated Power (W)250500920250
Torque (Nm)120120120120
Start-up aid-up to 20 km/hup to 20 km/h-
Pushing aidup to 6 km/hup to 6 km/hup to 6 km/hup to 6 km/h
Voltage (V)48484848
Efficiency (%)> 80> 80> 80> 80
Class of ProtectionIP 65IP 65IP 65IP 65
Weight, drive system (kg)
Rotationally symmetric Installation spaceØ 144 mm in diameterØ 144 mm in diameterØ 144 mm in diameterØ 144 mm in diameter
Length of the bottom bracket shaft146 mm146 mm146 mm146 mm
CompatibilityAll conventional shifting mechanismsAll conventional shifting mechanismsAll conventional shifting mechanismsAll conventional shifting mechanisms



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Drive System

Our drive system and the technology behind it.

Design Innovation Award 2018

Design & Innovation

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Application Areas

From the mountains to the city streets, let the TQ HPR 120S move you.



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Integration for OEMs

Basis System Information
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