Light Carbon with Bafang M800

KaroKönig · Feb 11, 2021

Light EMTB building with 280 Wh Battery and 17,5 Kg

flarvb · Feb 11, 2021

Very nice!
Can you please share details about the build and your experience while riding? How does the m800 perform?

KaroKönig · Feb 12, 2021

I built the bike especially so that i could go out with my buddies without an e-bike, it just makes up for my lack of fitness so that i can keep up with the boys ?The M800 is very quiet so that you do not disturb anyone in the group.The range with the small 280 Wh battery is around 60 km, and by increasing the voltage to 46.2 volts, the output increases to almost 400 watts

patdam · Feb 12, 2021

KaroKönig said:
I built the bike especially so that i could go out with my buddies without an e-bike, it just makes up for my lack of fitness so that i can keep up with the boys ?The M800 is very quiet so that you do not disturb anyone in the group.The range with the small 280 Wh battery is around 60 km, and by increasing the voltage to 46.2 volts, the output increases to almost 400 watts
View attachment 52697

you appreciate more the M800 than M500 ?

KaroKönig · Feb 12, 2021

patdam said:
you appreciate more the M800 than M500 ?

No, in my opinion the M800 has too little power for a mtb, it was not designed for that. I just wanted to show how much weight you can save on an E-MTB. Never make the mistake and ride a minimal-assist bike with a group of normal e-bikes. On the first mountain you will regret it ?

patdam · Feb 12, 2021

KaroKönig said:
No, in my opinion the M800 has too little power for a mtb, it was not designed for that. I just wanted to show how much weight you can save on an E-MTB. Never make the mistake and ride a minimal-assist bike with a group of normal e-bikes. On the first mountain you will regret it ?

OK thanks

ULEWZ · Feb 14, 2021

KaroKönig said:
Light EMTB building with 280 Wh Battery and 17,5 Kg
View attachment 52631

Somebody had to say it, Beautiful, wait for it, DOG.

Zimmerframe · Feb 14, 2021

ULEWZ said:
Somebody had to say it, Beautiful, wait for it, DOG.

I've just had a post ride glass of wine .. so the brain is probably not working well ... I don't get it ?? I know .. as @steve_sordy says, if you have to explain it. It's not funny ... can we have a clue ?

Zimmerframe · Feb 14, 2021

Crap .. I forgot about the first picture

steve_sordy · Feb 14, 2021

Zimmerframe said:
Crap .. I forgot about the first picture

You explained it!
Not funny!

jtran69 · Feb 27, 2021

KaroKönig said:
No, in my opinion the M800 has too little power for a mtb, it was not designed for that. I just wanted to show how much weight you can save on an E-MTB. Never make the mistake and ride a minimal-assist bike with a group of normal e-bikes. On the first mountain you will regret it ?

M800 with 280W battery is probably similar to the Levo SL where you need to do some pedaling. Are you able to pack more battery into the frame? Boost mode should be pretty speedy!

KaroKönig · Feb 27, 2021

jtran69 said:
M800 with 280W battery is probably similar to the Levo SL where you need to do some pedaling. Are you able to pack more battery into the frame? Boost mode should be pretty speedy!

The small 280Wh battery is only to save weight, the frame is usually for the M500 / 600 motor and has space for up to 800 Wh. But you have to make the battery cover yourself

Zimmerframe · Feb 27, 2021

KaroKönig said:
The small 280Wh battery is only to save weight, the frame is usually for the M500 / 600 motor and has space for up to 800 Wh. But you have to make the battery cover yourself
View attachment 54297
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View attachment 54298 View attachment 54299
View attachment 54305

Your turning into the Mike Patey of the e-bike world

savas · Feb 28, 2021

Is the 46volts the max you can get?I see the forestal are having 350Wh 51V which implies 14s

KaroKönig · Feb 28, 2021

savas said:
Is the 46volts the max you can get?I see the forestal are having 350Wh 51V which implies 14s

I tried a 12S3P battery first, but the controller of the M800 goes into Error 07 (overvoltage) from a voltage of 47.5 V

savas · Mar 17, 2021

Hi Karokoenig,
so your version of the motor is 36v, i see they do have the 43 versions.Thinking of buying one.By the way i have bought the dengfu e10 with bafang m600, should come next week to me and was thinking to make something similar like you did.So i might have the best of the both worlds, when i need.Just a fast motor swap and voila.

Greets
Sava

Caio · Apr 27, 2021

KaroKönig said:
The small 280Wh battery is only to save weight, the frame is usually for the M500 / 600 motor and has space for up to 800 Wh. But you have to make the battery cover yourself
View attachment 54297
View attachment 54295
View attachment 54296
View attachment 54298 View attachment 54299
View attachment 54305

Congrats on this nice build, nice color combination, where did get this frame from?
Thx

jtran69 · Apr 27, 2021

KaroKonig,
M800 is not a straight fit for this frame but only a clever machinist can do it, definitely not for us normal guys here

I'm wondering if you were able to run M800 in similar turbo boost mode of Levo SL?

KaroKönig · Apr 27, 2021

Caio said:
Congrats on this nice build, nice color combination, where did get this frame from?
Thx

Thank´s, the frame is from: Neues Enduro Vollgefedertes Ebike Frameset Kompatibel Für Bafang M500 M600 Motor Motor Lieferanten,Hersteller,Fabriken

KaroKönig · Apr 27, 2021

jtran69 said:
KaroKonig,
M800 is not a straight fit for this frame but only a clever machinist can do it, definitely not for us normal guys here
I'm wondering if you were able to run M800 in similar turbo boost mode of Levo SL?

In the highest support level, the M800 delivers just over 400 watts and 55 Nm, a little more than the Mahle in the Levo SL

jtran69 · Apr 28, 2021

KaroKonig - luv your innovation! Will you share the custom motor adapter dimension for M800 to fit on the M600 frame housing?

Savas - like your idea of swapping M800/M600 - I want to do the same if possible.

What mod is needed for M800 46v version to run on the same Bafang 48V battery for M600?

KaroKönig · Apr 28, 2021

jtran69 said:
KaroKonig - luv your innovation! Will you share the custom motor adapter dimension for M800 to fit on the M600 frame housing?

Savas - like your idea of swapping M800/M600 - I want to do the same if possible.

What mod is needed for M800 46v version to run on the same Bafang 48V battery for M600?

you could only charge the battery up to 46.5 volts, but that would not be optimal because of the high weight and the higher cut-off voltage of the BMS
It's no fun pedaling a 22 kg bike with a weak engine up the mountain?
So it‘s better to built a light Battery for the M 800 to save another 2,5 Kg

jtran69 · Apr 28, 2021

KaroKönig said:
you could only charge the battery up to 46.5 volts, but that would not be optimal because of the high weight and the higher cut-off voltage of the BMS
It's no fun pedaling a 22 kg bike with a weak engine up the mountain?
So it‘s better to built a light Battery for the M 800 to save another 2,5 Kg

Agree! This is perfect for a light 55kg rider. I usually ride less than 2 hrs for 32+km 700+m ele. With a levo SL, I doubled the fun with the same time ?

savas · Apr 29, 2021

I think Karokoenig has the 36v of the motor.There is a second one which is 43v ,which probably would allow more voltage.Probably i will buy later this motor for tests.In europe it is really expensive for what is it.

Lucky Luke · Apr 29, 2021

The display DP C260.CAN is only compatible with M800 ?

jtran69 · Apr 29, 2021

savas said:
I think Karokoenig has the 36v of the motor.There is a second one which is 43v ,which probably would allow more voltage.Probably i will buy later this motor for tests.In europe it is really expensive for what is it.

$690 for M800 complete kit sample price plus shipping from Alibaba, not sure if it is 43V.

M800 Drive System Mm G530.200 200w Mid Drive Motor With Dp C260.can Display - Buy M800 Drive System Mm G530.200 200w 200w Mid Drive Motor with Dp C260.can Display Product on Alibaba.com

www.alibaba.com

I'd need bare motor, not complete kit though must buy complete kit since no one selling bare motor :-(
Do you think it would be an easy straight motor swap using KaroKonig's motor adapter plate?

KaroKönig · Apr 29, 2021

Lucky Luke said:
The display DP C260.CAN is only compatible with M800 ?

All Displays who works with the M800 are compatible with the M600/500 too.

Lucky Luke · May 5, 2021

No puedo encontrar esta pantalla.
Por favor, ¿sabe dónde puedo comprar esta pantalla in Europe (DP C260.CAN)?
Thanks

pelle · Jun 3, 2021

KaroKönig said:
Light EMTB building with 280 Wh Battery and 17,5 Kg
View attachment 52631
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Did you fabricate the adapter M800/M500 yourself or is something one could buy?
regards,
Pelle

KaroKönig · Jun 4, 2021

pelle said:
Did you fabricate the adapter M800/M500 yourself or is something one could buy?
regards,
Pelle

Unfortunately, the adapter is not available to buy, you have to make it yourself

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