‘Hall Sensor’ wires - why bother?


New member
Apr 29, 2022
Hi All, I’ve been messing about with kit builds the last year or so. All rear drives and a mix of new and S/H stuff. Lots of fun. Most of my troubles have been making or using wiring connectors that aren’t too stiff, frail or underpowered. Recently I swapped my (noisy) Voilamart 1500w for a ‘Crystalyte’ brand motor/wheel. When confronted with a new set of wiring problems I read somewhere that the Hall Sensor (5 fine) wires from the motor might simply be ignored. I tried it and it’s working fine. Maybe a tad jolty off the start but no real issues. I’m just wondering for future- what are they for and why does my bike work ok without them? Thanks

Deleted member 4845

You have already discovered this, they are meant to avoid "jolty" starts. That is it. Most bikes will function just fine without them.

Some controllers will NOT function in "sensorless" mode, and many geared hubs will not work well this way. But a DD hub, such as the two you have had, usually will handle it just fine. Recommendation is to get rolling first before applying throttle, which is a good idea for an ebike anyway.
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