Dyname S4 Pro

Full measured data for this motor is coming soon.

OWNER INTELLIGENCE

Most owners report no problems.

4High-pitched motor noise at high RPM (new units)

3Firmware flash bricks/fails to reach controller

3Replacement FC2.0 controller mismatch/DOA

✓d3ftone reports Rocky Mountain Dyname is the only motor system among several (Shimano, Brose, Bosch, Avinox) that hasn't fully failed for them.

Bikes running this motor · 4