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I think it's sucking in all wet and snow that's stuck to the motor.

Leads me to think, am I the only one who store their $4.5k ebike in the cold?

Anyways the shop got back to me saying Stromer diagnosed the old motor stating the seal failed. The shop will diagnose the electrical this time around and possibly put another new motor on. Hopefully this will fix the problem. I'd say it's probably a design flaw with this Cyro drive.

Yeah that lockring is fully secure with it holding the cassette to the freehub body. Most QR/thru axle bikes have locknuts holding freehub body to the hub that fits to the drop outs: Stromer's motor has a nut (so cassette doesn't rub on frame) but doesn't lock the freehub in any way. My point...

There is no lockring for the freehub body. Video is basically as-is with wheel off. Cassette lockring doesn't secure onto the axle. I think freehub is basically held firm with the 20nm on the thru axle.

Well, the new motor is also frozen after it being -10°C overnight in the garage. I did take the new motor through some wet and salty spring weather and greased the hell out of the hub so not sure how the water got in. Also here's a vid and pic of the hub where the freewheel mechanism just...

Not sure the solution is to bring it inside either as the whole bike get condensations (like glasses fogging up walking in from cold outside) as you can see in my first pic. Thing is, I didn't even see a seal on the cassette side on the old motor or new. The whole cassette and freewheel...

Suddenly the new belt drive ebikes with internal gears look more appealing.

I could definitely hear dripping in the motor when I moved it around. I or the shop wasn't able open the motor on the spot.

This is no different than me leaving the bike lock outside when I arrive at work except now my bike is exposed to the elements. I dry/lube my chain after every wet ride. At least once a week I dunk a bucket of hot water on the frame to wash off the salt/melt snow.. Not ideal for this issue I...

Has anyone have an issue with ingress of water in Stromer's rear motor hub? I have a 2019 ST1X noticed this issue when my rear wheel started freeze up after a cold overnight in the garage. My garage regularly goes to -15 to -20°C in the dead of winter and I regularly ride in salty/wet/cold...