Shenzhen Zhaosheng Carbon CEF52 using Shimano EP801 motor

[mike_kelly]

Full E-bike 29er Carbon Fibre Suspension Disc Brake Electric Power Assistance Bicycle Frame Mtb With Shim.ano Ep8 Mid M - Buy Bike Frame Bicycle,Frame Carbon Suspension,Custom Bicycle Frame Product on Alibaba.com

Full E-bike 29er Carbon Fibre Suspension Disc Brake Electric Power Assistance Bicycle Frame Mtb With Shim.ano Ep8 Mid M - Buy Bike Frame Bicycle,Frame Carbon Suspension,Custom Bicycle Frame Product on Alibaba.com

www.alibaba.com

 

[thaeber]

Great. Thanks Mike!

 

[thaeber]

If the standard Shimano battery fits, may be this Darfon battery fits as well?

 

[Neeko DeVinchi]

Looking forward to receiving my xl for testing

 

[Neeko DeVinchi]

If the standard Shimano battery fits, may be this Darfon battery fits as well?

View attachment 131102

That remains unclear.
The Darfon battery connector is different compared to the Shimano BT-8035/8036/EN805/EN806.

The power plug for the EP801 which connects the lower battery mount to the motor is also different to the ep8.

It remains unclear whether the lower battery mount supplied (if you opt for the Darfon battery) will use the correct connector for the EP801. Or, if its designed for the Ep8.

But I'll see how things develop, as the Darfon battery system is loghter than the traditional Shimano batteries. Naturally, I'll share my findings

 

[thaeber]

Great! Looking forward!

 

[brbr]

Linda told me the packages frape / motor / battery should be ready in March

 

[bctracing]

is there some user that buy this frame ? Some testing ?
i have 2 ep8 repair with less kilometers and i want to made a second ebike.
best regards
Tommy

 

[savas]

so they are selling motor and battery as well(ep08 and battery )?

 

[bctracing]

The travel 170 and 150 is good for enduro correct ?

 

[mike_kelly]

so they are selling motor and battery as well(ep08 and battery )?

They are trying to get a distributor to sell them motors and batteries. Their current clients are in Japan that have better access to the motors and batteries.

 

[savas]

They are trying to get a distributor to sell them motors and batteries. Their current clients are in Japan that have better access to the motors and batteries.

As a manufacturer they can contact directly shimano.I know of some small manufacturers who were succesfull getting motors and batteries from shimano.They were actually only assemblers not a frame manufacturer.Whope they will susceed.

 

[Neeko DeVinchi]

Damn it!!!

Looks like the CEF52 is designed for a key lock style battery mechanism.

Oh well. Headset cable variants for the initial batch.

Maybe they'll offer variants without the key hole and simply allow the use of the BM-EN801A battery mount.

 

[thaeber]

I tried to dig into the topic, I think with this specific battery mount You could also use the latest Darfon 800 Wh battery?

 

[thaeber]

…if You like the key feature. Your post is the same I think, just without the key, correct?

 

[thaeber]

Darfon E4C0L ist the latest and biggest battery..

 

[thaeber]

This one..

 

[Neeko DeVinchi]

The Darfon battery connector is different to the Shimano BT-8035/8036/EN805/EN805 etc.
The lower mounts vary depending which battery type used.

I'll take pictures later which should explain things further and leave links to which lower mount works with which particular battery type

 

[thaeber]

Thanks mate! This is a really complex topic. Darfon is referring to the need of Gen2. Shimano Battery holder for this 800Wh battery….

 

[Neeko DeVinchi]

So the above shows the Shimano BT-8036 (above) and the Darfon E4C0C (below)

As you can see, the Darfon battery connector is different to the Shimano BT-8036.

So both require specific battery mounts and specific external battery charger attachments.

Unfortunately, I don't have the specific model number associated for the Darfon battery mounts specific to whether you use either the ep8 or ep801). But I'll reach out to both Dengfu and Darfon for the exact model numbers and update the thread.

As for the Shimano standard batteries, the mounts will vary depending on which motor you use (which will subsequently determine which battery you can use).
If you use/order the ep8, you'll need the BM-E8030-A This will work with 1st generation Shimano batteries (BT-8035 and BT-8036)
If you use/order the ep801, you'll need the BM-EN801A. This will work with 2nd generation shimano batteries (BT-EN805, BT-EN806 & BT-EN805L).

I can't comment as to the downtube interior of the CEF52 at this time. So it remains unclear whether the frame will have provisions to swap the upper mount position to use either 504wh or 630wh. But I am aware that the physical dimensions of the Darfon E4C0C battery compared to the BT-8035/BT-EN805 are roughly the same when factoring in the mounts which holds the battery in place. The 720wh E4C0G battery is a bit longer than the 630wh standard Shimano batteries

 

[thaeber]

Thanks for all the details and the effort You put in!!!

 

[dreys]

On somewhat related topic

Just tried to use Darfon E4C0C battery with Shimano EP801 drive unit - no go. Tried different battery with the same drive unit (Darfon E4C0G from Santa Cruz Heckler 9), and everything works.

At this point I'm puzzled whether the issue is with firmware on Darfon E4C0C, or that particular battery is not compatible with EP801 at all.

 

[thaeber]

My limited knowledge says that EP801 only woks with 2nd. gen. batteries from Shimano and Darfon. The E4C0G is 2nd. gen. The E4C0C is 1st. gen.

 

[Herculesridesebikes]

CEF52 in action

 

[thaeber]

Thanks mate for the video! But still only size M available?