TQ's New HPR40 Motor Aims to Revolutionize Electric Road and Gravel Bikes

TQ Unveils the New TQ-HPR40 – A Revolutionary Electric Drive System for Road & Gravel Bikes – eBikes Int'l

(Inning am Ammersee, GER) German technology specialist TQ unveiled a new revolutionary and category-redefining system at the 2025 Eurobike – the TQ-HPR40 Drive System for road and gravel bikes. Weighing in at a mere 1.170 grams, the new TQ-HPR40 motor delivers 40 Nm of torque and up to 200 Watts of power while the system around it enables an unprecedented level of system integration. Utilizing the benefits of TQ’s patented Harmonic Pin-Ring Tran…

TQ's New HPR40 Motor Aims to Revolutionize Electric Road and Gravel Bikes

Just a couple weeks after announcing its new mountain bike-oriented HPR60 drive system, TQ officially unveiled the all-new HPR40 today at Eurobike. This new electric drive unit is aimed squarely at the e-road and e-gravel market with its compact form factor, impressively light weight, system integration, and light power output. Leveraging its patented Harmonic Pin Ring Transmission design, TQ aimed to create an incredibly small and light mid-dri…