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As a breaker of Shimano XT derailleurs ( they are cheap and plentiful and who needs any more than 10 speeds ) there is something I'm becoming aware of. On all the damaged ones the tension clutch on the outer arm has become too restrictive over miles and puts a lot of tension on the Derailleur...

The EBICS firmware FOC Open Source Firmware for Bafang CAN bus controllers with GD32F303 processor is getting mature enough and tested enough to now probably be the way forward if people want to tinker with all parameters of the M820, M510, M560 series engines.

I have had a similar issue for some time now using Firefox and it’s advert reducing technology. Switch off the add restrictors and the forum downloads normally but I have to say I’m getting fed up with the volume of pop up adds that now are appearing.

https://ebike-mtb.com/en/owuru-gearbox-unit/

Gears are heavy, planetary with 1 drive motor and 1 very small motor controlling the speed of the planetary will give us all the range and control we need.

Add a CVT on the side of the planetary and Bafang would be getting ahead, wishful thinking on my part 😄

It may look it is missing but the seal sits just behind the Aluminium surrounding the crank. It’s tiny about 4mm thick and the same in depth. That seal is the problem so many of us get water ingress into the motor as I think the factory inserts it the wrong way around. It’s set to prevent...

Having purchased two frames E10 & E69 from Dengfu I have no issues what so ever. E10 was bought in 2019 ( Probably the first into the UK ) and now has done nearly 5K miles of very harsh UK riding conditions, just changed the bearings this year on the suspension. Quite impressed with all the...

Does anyone have a drawing of the Avinox motor profile ( mounting locations ) as the M820 motor is not unsimilar. Maybe as an interim we could fit with an adaptor the M820 motor. Sadly the M820 is limited to about 650W’s max but it’s an option until the M25S become available.

Normally they can supply frame, battery, motor and wiring loom. If they can then they are probably the first company tooffer such. Good light frames as well circa 2.5kgs. https://m.dengfubikes.com/E-Bike-Frame-For-Avinox/E125.html You can pick up the other 3 frames from there.

There is a facility to restrict the speed in each level to a percentage of the max speed. If you start with a 45kph speed in Boost you maybe able to set the lower levels to 25kph ( 54% )

Done about 100km now and the motor is quietening down a bit. Quite a lot still of the electrics noise rather than gear noise. My M820 is not unsimilar but still way louder than the original FC01 M510’s which were so quiet. Quite rideable straight out the box, sorry but I like the amount of...

its that whining that is really annoying, unfortunately my cadence is in the 80 - 100rpm. They do wear in a bit but its a noisy puppy at the moment.

Does anyone know the motor numbers for the latest " quiet " 500W motor. One has just landed at my door with MM G5300.500.C1.0 on the motor itself is 1.0 032.4/3.4 01.2 Not sure that its not the old FC1.0 motor ? Firmware is MMG5300C4819F801032.4

How many bikes or battery packs do you think Amflow will sell, bear in mind that EU sales are tiny in proportion to the US which is probably even smaller than to the Asian markets ? Even if we say a low number like 20000 battery packs over say 3 years, that’s 200000 individual cells. If we...

You are correct, I was thinking of the M820 motor.

4814 version is actually only 12A. ( logged on battery ). Be careful with overheating of the motor guys with 16A.

They certainly have the DIY market covered well with every part available at reasonable cost. The late motors are good performers and reasonably efficient at not too heavy weights (3.3kgs @150Nm ). But would I recommend them in countries where mud and water logged trails are the winter norm...

https://www.emtbforums.com/threads/szzs-cef69-build-with-new-bafang-m510-3-0-version.43625/ Dengfu E82 is a good call or if you want a full on Enduro then Dengfu's latest frame the E104 ( will take a 1008Wh battery )

Yes, read the thread and it will tell you all about BESST