Recent content by knutselmaaster

The AKM100 and AKM100cst are the same electric motors, only difference is the freewheel/cassette housing. It is stated as 250W continuous. It is 135mm wide. It ways about 2kg (cassette version). The AKM100H and AKM100Hcst are the same electric motors, only difference is the freewheel/cassette...

From he Bafang newsletter (see attached screenshot): Their 2 speed motor has 2 gears for pedaling cadence and not for the motor itself.

Yes, I confirm that the principle is exactly like that. The only difference is that the 2 speed motor has a special clutch system in the lid.

Interesting. I'll try to get my hands on it.

I don't think so: https://www.bike-eu.com/products-innovations/artikel/2021/08/bafang-launches-h700-built-in-automatic-dual-speed-drive-system-10141154

For all I know, this is a normal motor with a 2 speed hub gear built into it. (2 speeds for pedaling, not for the motor)

Old hub motors are very difficult to open indeed, the thread gets quite stuck after some time as the aluminium oxide makes a solid fix. You can try heating the motor housing, this makes the metal expand to get the thread loosen up. Use a hairdryer or a paint remove gun, it can be done with a gas...

There are resellers that can help you. In "the west" it is quite normal that you cannot buy directly from the factory. I mean, try calling Bosch to buy an ebike motor from them, for example. I won't do any publicity for my shop in this forum, that is against my conviction that we are all here to...

The sensors are mineral only, as all Magura brakes use mineral. You could try to clean out all DOT fluid (very thoroughly) and replace it with mineral, it will make the brakes feel a bit less nice but not much and it shouldn't be of any harm. We've done so on a client's bike with Avid brakes and...

Is it mineral oil? They don't work well with DOT

It could be a short circuit in the wiring. Is the brake fluid clean? Too much brake fluid in the circuit, pressure doesn't go back to "0"?

Ask Bonnie for a motor according the week size, XD makes them for all sizes. 700c, 28" and 29" are just different tires, they use exactly the same rim size (622 millimetres diameter), the total diameter is only slightly different, according the different tires (race bike, city bike, MTB. This...

Be careful, the front motor for disc brake is 10mm wider, so 110mm width. On a front suspension, it generally doesn't fit.

If the frame dropout on the bike isn't too thick, there will be no problems for the mounting plate of the trailer, as long as the axle nut is screwed on entirely (on the uninterrupted part of the thread, not on the part where the thread is interrupted for the motor wire). On some trailers the...

The Bosch CX motor is only labeled 250w because of legal purposes. In reality it is about 750w peak power too. And the torque sensor is a lot more sensitive that the one on (most) tsdz2 motors too.