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Yikes. The one way roller bearing will likely shift again because the helical cut gears cause side loading. Next time, push out the bearing, thoroughly degrease the surfaces and reassemble with Loctite sleeve retainer. I think the same thing happened with the rotor shaft pulling out of the...

Check if there is a broken pin on the bike side of the display connector. Strange things happen with a missing ground connection. I'm struggling to think of how it can display a high voltage but a correct percentage, though.

Check if there's a factory reset option in the advanced menu. It might sort out this glitch.

That really seems like a 52V battery on a 52V display. Even if you charged a 48V battery with a 52V charger, the BMS should never have let the voltage get that high.

You would see these percentages for a fully charged 48V battery if your display was set to 52V

You can hear the difference here.

I attached audio of the old and new, quieter M620 rotor and third gear from Green Bike Kit. The first 3 seconds are the old gears, the last 3 seconds are the new gears. My old gears look practically new, so you're not hearing worn out gears. Recording conditions were carefully controlled...

Updated March 15, 2024 I'm selling some quality items no longer of use to me. Purchases can be made from my eBay listings. The shipping discounts through eBay are greater than I can obtain elsewhere. Thanks for looking! Crank Brothers Highline 7 - 100 mm dropper with 31.6 mm post (lightly used...

On the "controller" tab of the dealer version of the X1 Tool, there's a button labeled "detect encoder". I'm almost certain it's for calibrating the rotor magnet. It would spin the motor, so have the back wheel off the ground.

That answers my question if the rotor gear is made of harder steel than the "third gear". Seems like it's not. That's unfortunate.

Pushkar is the owner of Watt Wagons.

It can be done with the cracked administrator version of the X1 Tool. The download links have been removed from the programming discussion thread, but I'll try sending it to you through private message.

I don't have this large hole. Is it where the wires exit? Mine has a block of rubber that the wires pass through.

BBSHD has spindle seals, M620 does not, so the waterproof rating is variable between models.

There are some online claims that they are rated IP65. If that was true, I wouldn't find rust and dust in my M620. I personally rate the M620 at IP51. It could be IP65 with some seals on the crank spindle.

Does anyone know if the smallest gear (the one pressed on rotor shaft) is harder steel than the adjacent gear? That way, the adjacent gear would be sacrificial as it is cheaper and easier to replace than the rotor.

Yikes! The second gear looks very worn. The tooth profile has worn down to a triangle. The sides of the teeth should be curved like the gear beside it. I imagine the center section of the first gear is worn out too. You're looking at a new rotor (the first gear is pressed on) and a new second...

1.0.12 has the same checksum hash value as 1.0.10 (it's the same file). I don't know why it exists.

There should be two exe files. Maybe your antivirus deleted one? XTOOL.exe will launch x1Tool_1_0_10.exe and jump past the login. They need to be in the same folder.

Yes, I just stripped those wires, twisted them together and soldered. These are the P+ (Power positive) and PL (Power Lock) pins which must be connected to enable the controller.