Hyena is an R&D company specialized in e-bike technologies. We provide a turn-key solution for bicycle brands and manufacturers to build high performance and intelligent e-bikes.

E-Bike system unit

We provide perfectly integrated and tuned standard e-bike system kits to help our partners quickly build e-bike. You can also select the components off the shelf and freely combine them.

Software solution

Hyena drive system comes with a cloud-based software service, includes the smartphone app for riders, a web service tool for dealers, and the production supporter to help the manufacturer.

E-bike service

From planning, production, to certification, Hyena offers a comprehensive e-system solution and service to help our partners develop their ideal e-bikes with a lower barrier and better quality.

Trusted By The
World's Top Bicycle
Designers And Engineers

Since 2013, we have assisted bicycle brands and manufacturers to create over 350,000 units of unique e-bikes all over the world.

EN 15194 / ISO13849

Hyena e-system kit has passed Regulation for EPAC including product safety, EMC, low voltage and RoHS. This means the e-bike with Hyena e-system can be legally sold in EU/NA markets.


Taiwan has advanced IT and bicycle industry chains. Here, we work closely with both IT and bicycle industry partners to present cost-effective high performance EPAC products. Coupled with the recent global trade war, “Taiwan export” minimizes the impact of tariffs and retain the profits you deserve.

Build your bike!

Whether you want to have a tech chat or start an e-bike project, we’re here for you: talk to your e-bike consultant today.

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The MRT-A250 rear hub motor provides power for the e-bike with less maintenance required. It features a smooth and silent run, also the the direct power distribution makes the bikes easier to handle. Compatible with threaded freewheel.


Rated power

250 W

Rated voltage

36 V

Wheel size

26 ~ 28 "


120 mm / 135 mm

Outer diameter

141 mm


2.7 kg

Max. Torque

40 Nm

No-load rpm