TQ HPR50 Motor Review | We Test 3 Lightweight e-MTBs With This German-Made Motor

See the full review and range test results here: https://flowmountainbike.com/tests/tq...

The TQ HPR50 motor debuted to considerable fanfare back in 2022 when it first appeared on the Trek Fuel EXe. As the lightest motor in its category, the HPR50 drive unit blew everyone away with its astonishingly compact form and whisper-quiet performance, changing our expectations of what a lightweight electric mountain bike could look and sound like.

Initially an exclusive for Trek, the HPR50 motor is now found on several lightweight e-MTBs including the Scott Lumen, Scott Voltage, Mondraker Neat, UNNO Ikki and Simplon Rapcon. The competition in this space is evolving at a rapid rate however, with the likes of the Bosch SX motor, Fazua Ride 60 system and an updated Specialized Levo SL returning fire at TQ.

So, nearly two years on since its official release, are we still just as impressed with the HPR50 motor as the day we first rode it? And how does it stack up against its modern day competitors?

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Video Contents

0:00 - TQ HPR50 Overview
0:42 - Harmonic Pin Ring Design
1:46 - Battery & Controls
2:36 - Strengths
5:02 - Downsides
6:29 - Heat Management
7:27 - Range Testing
8:27 - Optional Range Extender
9:37 - Flow's Verdict

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