What's the consensus best DIY frame right now?

Nobrks

Active member
Sep 16, 2021
94
117
Denmark
Встречайте, новый, легкий карбоновый велосипед с мотором м820. Раму и мотор я получу в конце января. По моим расчетам вес нового велосипеда будет от 16500-18000 гр. В зависимости от уровня комплектующих.

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Check out this product on Alibaba App trending products 2023 new arrivals mtb bike 29 full suspension frame for Mountain Bikes high quality bafang M820
Source trending products 2023 new arrivals mtb bike 29 full suspension frame for Mountain Bikes high quality bafang M820 on m.alibaba.com
1671486317438.png
 

LAnton

Active member
May 12, 2022
550
458
Russia
Hmmm..but they are referring to a Bafang Battery BT F014 which is speced on Bafang Workbook, and a completely unknown Battery type ZS BT 740. No info on that available…
Bafang Battery BT F014 produced only 43V. The ZS BT 740 can be manufactured by the 420W and 740W 36V frame manufacturer. The battery is not removable. To remove the battery, you need to remove the motor.
 

LAnton

Active member
May 12, 2022
550
458
Russia
Thanks for explanation!
I will not install the battery in the frame. I will carry a 1500g battery in a triangular handbag. The weight of the battery case and wires is 1000g. We don't need to carry an extra 1000g on a bicycle.
 

Bruce B

Member
Apr 26, 2022
20
17
NZ
I can't yet. The manufacturer asked not to give this information. Soon this frame will be on sale. We will compare three major manufacturers Dengfu, LightCarbon and incognito. And choose the best frame.
Try diy carbon in the US. I got my frame and m600 set up from Ty and it looks very similar to what you are showing here I wouldn’t rate him as a customer service oriented guy but I got my stuff eventually just no back up.the frame will take the 640 w and 840w BAFANG battery.
It handles well and seems to have good geometry.plus came in at 20 kg with the smaller battery I have it on 27.5 s and 170mm up front and 160 on the rear
 

LAnton

Active member
May 12, 2022
550
458
Russia
Try diy carbon in the US. I got my frame and m600 set up from Ty and it looks very similar to what you are showing here I wouldn’t rate him as a customer service oriented guy but I got my stuff eventually just no back up.the frame will take the 640 w and 840w BAFANG battery.
It handles well and seems to have good geometry.plus came in at 20 kg with the smaller battery I have it on 27.5 s and 170mm up front and 160 on the rear
Take a picture of your frame. Does the framework have a specification?
 

Bruce B

Member
Apr 26, 2022
20
17
NZ
Here you go on specs and the quality is actually pretty good they take a 180 mm rear disc and I did fit a 215 rear shock and just had to grind the pivot trunnion out and turn the shock upside down

A6169BE0-2495-4945-A714-1C3AA0964CCF.png 53A88A4B-A57E-41AC-A86E-0E9F957B0502.png 92069F9B-A0D2-4721-BAF5-67F90CC921D7.jpeg
 

stuff

Active member
Nov 3, 2022
166
281
Spain
Here you go on specs and the quality is actually pretty good they take a 180 mm rear disc and I did fit a 215 rear shock and just had to grind the pivot trunnion out and turn the shock upside down

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You're comparing apples with lemons, this has nothing in similar to the frame Lanton shared, bigger motor, heavier, 100% diff geometry, etc. You can compare it with the LCES004 from lightcarbon maybe.
Probably the only thing that's the same is the linkage.
 

Mabman

E*POWAH Elite World Champion
Feb 28, 2018
1,123
1,851
Oregon USA
The best DIY frame I would be looking hardest at is the one that is available, affordable and with a company that has good communication skills in the language of your country. The last is the hardest to find but perhaps the most important, at least for me. The efforts of Jim and Ben here would make look in both places. Keep in mind their is alot of mold sharing going on in Shenzhen and most of the Aliexpress ones are part of that.

Having started mtb 40yrs ago and considering that geo has changed alot there are definite advantages to "modern" geometry, but I don't need cutting edge to get my ya ya's out and I am of normal proportions so fit is usually easy to acheive. Component choice bears more weight. Planning a swap next year from my M625 E22 frame to a M610 with compatible frame that fits the 48v 15ah 21700 cell stock case battery that I have. Completely gut my current bike but sell it on with the motor and a 52v 15ah 21700 cell battery. In the end hopefully not too much out of pocket.......
 

iscander13

Member
Oct 11, 2021
185
59
earth
I will not install the battery in the frame. I will carry a 1500g battery in a triangular handbag. The weight of the battery case and wires is 1000g. We don't need to carry an extra 1000g on a bicycle.
Do you ride in the mountains? Would it be comfortable with this battery mount?
 

LAnton

Active member
May 12, 2022
550
458
Russia
Do you ride in the mountains? Would it be comfortable with this battery mount?
My first electric bike was with a triangular handbag and a carriage motor on the frame, it did not cause inconvenience. A small and lightweight battery that is easy and quick to replace in the mountains, I find convenient. A non-removable battery or a removable battery as in the photo is very inconvenient. Who do you think makes this frame?

D1.jpeg D2.jpeg
 

LAnton

Active member
May 12, 2022
550
458
Russia
Very similar to dengfu. I don't like this design. The battery must be removable. I wonder how much this frame weighs. They don't give me this information, only photos.
 

thaeber

Well-known member
Jan 26, 2021
887
769
Bruchsal, Germany

captainhightop

Active member
Feb 26, 2021
136
143
UK
I saw this somewhere already. Remember the extremely low BB @ 327mm. Looks like the Kabon
€ 922,34 30% Rabatt | KABON Neueste E-Fahrrad Rahmen Mtb T800 Carbon Faser Elektrische Fahrrad Frameset Interne Kabel Hinten Motor Drive mit Batterie fall Kit
It doesn't seem there are many longer travel bikes with the bafang M series motors and a BB that isn't too low.
 

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