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Chinese Carbon E-Bikes => E-Bike Frames & Builds => Topic started by: Firon on May 22, 2025, 12:53:57 AM

Title: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: Firon on May 22, 2025, 12:53:57 AM

This is the CEF55, comes with size S/M/L.

Here are the battery options

48v 17.4AH/ 48v 10AH/ 48V 10AH (carbon shell)/ 48V 5.8AH(carbon shell, the external battery)

F: 170MM R: 150-170mm
all sizes come with BAFANG DCP030 in the toptube
fork: 160/170mm
shock: 210*55/65mm
frame weight: 2.45kg
Battery up to 1110wh!!!



Here is its video.
https://youtu.be/C5y-SDYr4qU?si=4HZUWOj45OrhGl4a (https://youtu.be/C5y-SDYr4qU?si=4HZUWOj45OrhGl4a)

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: Firon on May 22, 2025, 12:55:36 AM

This is its Geo. Feel free to ask.

(https://cdn.shopify.com/s/files/1/0794/3703/7852/files/M820_geo.jpg?v=1746763392)

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: GuitsBoy on May 29, 2025, 03:09:37 PM

This frame ticks a lot of boxes for me.  Who can I contact for pricing info?

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: Firon on May 30, 2025, 12:12:05 AM

www.lfbikes.com (http://www.lfbikes.com)

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: Firon on May 30, 2025, 12:12:25 AM

Quote from: GuitsBoy on May 29, 2025, 03:09:37 PM

This frame ticks a lot of boxes for me.  Who can I contact for pricing info?

or https://api.whatsapp.com/send?phone=8618507977930 (https://api.whatsapp.com/send?phone=8618507977930)

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: Firon on June 09, 2025, 11:39:41 PM

(https://cdn.shopify.com/s/files/1/0794/3703/7852/files/CEF55_emtb.jpg?v=1749530191)

 ( left: 48v 5.8ah. Right: 48v 17.4ah.)

here are the original 48v 17.4ah battery with the extender battery 48v 5.8ah, which comes in total 1113wh, the best range for M820 emtb.

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: hongbetta on July 03, 2025, 06:28:52 AM

We want a e-mtb with a DJI Avinox motor instead. Please make this design available for us!

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: Firon on July 03, 2025, 10:29:09 AM

Quote from: hongbetta on July 03, 2025, 06:28:52 AM

We want a e-mtb with a DJI Avinox motor instead. Please make this design available for us!

there are totally over dozens brands with it

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: borysgo2 on July 09, 2025, 02:05:20 AM

Quote from: hongbetta on July 03, 2025, 06:28:52 AM

We want a e-mtb with a DJI Avinox motor instead. Please make this design available for us!

For what ? SIM card, GPS tracking, etc. No sense at all.

Only BAFANG all the way = freedom of eMTB.

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: hongbetta on July 29, 2025, 02:03:26 AM

Quote from: Firon on July 03, 2025, 10:29:09 AM

there are totally over dozens brands with it

We don't care what brands it is, we don't want another Bafang motor. All we want is a DJI motor! Get it?

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: Firon on July 30, 2025, 09:55:13 PM

here is the CEF69, almost like a M510/M560 version of CEF55. For more details, please come to

https://lfbikes.com/products/cef69 (https://lfbikes.com/products/cef69)


1. Both in size S/M/L
2. the same battery house, up to 48v 17.4ah (835ah). And a range extender, 48v 5.8ah could be there
3. Both at F/R 170/150-170mm

You will like them

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: Ndanger on October 04, 2025, 04:39:09 PM

Is there a build thread for this bike.  Looks like a great option for a frame kit.

Title: Re: 48v 17.5AH!!! A New Emtb Carbon Frameset Powered By M820 Motor
Post by: Firon on October 11, 2025, 01:43:20 AM

not really on CEF55. But here is the CEF69 for M510/M560RS