temon10
Well-known member
Scroll up my build. And it's impossible to build 40lbs with 720Wh battery. With better components than me I think U can get around 42-43lbs.
SZZS specific CEF50-main thread (initial builds and troubleshooting related only)
- Thread starter TCFlowClyde
- Start date
Any idea if these "trial" cranks would fit ? it seems light, yet strong
You need to study the info in this thread to get a feel for the distance the crank sticks out at the attachment point and the curve of the arms and how much offset they have. There is a post about Miranda cranks on how they fit vs the original Bafang cranks. Then you can compare those to the ones you are looking at if they provide any data.
I am going copy some the build images up the spec page as a gallery. If you don't want your images copied up just let me know and I'll remove them.
The site won't let me because it makes the post to long for the system.
So I created a gallery thread. Please if I missed your bike or you want another or different picture let me know.
www.emtbforums.com
So I created a gallery thread. Please if I missed your bike or you want another or different picture let me know.
Shenzhen Zhaosheng Carbon CEF50 Gallery of EMTBforums member builds
A gallery of builds by the members of EMTBForums Website: Shenzhen Zhaosheng Carbon Fiber Technology Co., Ltd. - carbon road frame, carbon mtb frame Specifications https://www.emtbforums.com/threads/shenzhen-zhaosheng-carbon-cef50-lightweight-using-bafang-m820-motor-specifications-thread.32613/...
www.emtbforums.com
Last edited:
Sweet spot indeed! Very tidy build TC!Hey Folks! Hells yaaaa!Totally worth it! First ride was this morning. Built up a burly trail version 160f/165r for now. It's slightly heavier at 48+/- lbs with big tires, sealant, foam inserts, and pedals.
View attachment 116726
Waiting on my Zeb 38/180mm upgrades and then I'll install my lighter carbon wheelset, and lighter componentry. But should be 45 lbs soon!
I'm running the 720 Wh battery. And use the 245 color display.
I'm a heavy rider at 285+/- lbs. Did 20+ miles with 53% remaining. Today's trail was flatter choppy, sandy terrain with a few shorty techy climbs.
View attachment 116725
Stayed mostly in S-power mode (level 3 of 5) 70% of ride with bursts of S+ mode (level 4 of 5) at 20% and B/Boost-mode (5) at 10%.
Pedal drag exists, but it's low. I pedaled on zero mode for 1 mile in sandy, soft conditions...it's doable but not ideal of course.
Superburst "Rocky" doesn't exist for the 245 display. But it's unnecessary. I have a 181 display too, and I'll try that soon to see if it exists there.
Major Pro:The Bafang-M820 -75Nm power is 3/4 of a full-powered motor. It's by far way stronger than the TQ50, Fauza60, RS60! It really feels more like 75-80 Nm! IMHO
Minor Con:The motor whir is a mild tea kettle-like whistle in all modes. It doesn't both me at all!
The CEF50 rides well. And I was able to run my fatter RS SLDX MegNeg 210 x 55 for the bigger 165 mm travel. No binding at the pivot/rocker arm but I only did small pops and drops. So, 55 mm big stroke works for me at least!
Overall, the maiden ride was impressive!
powerful motor
Minor whistle-noise
Long term frame durability.
4.5out of 5!!!
The sweet spot is achieved? Maybe...
Full-powered riders will still enjoy the slightly lower power for 10 lbs + savings of agility and range!
Just saw this thread, forgive if this has been discussed previously. I prefer B plus wheels as well, and from the geometry figures on this frame the BB drop is only 20mm which would be helpful to avoid pedal strikes with them. Any thoughts?
Cheers.
TCFlowClyde
Active member
- Thread starter
- #1,657
Go 180:mm fork and 155 mm cranks. That's my plan. Just getting ready to overfork it tomorrow to see if motor height increases significantly. Plus, the 27.5er + is taller 28.6" so that's natural lift on both ends. My 3.0 is slightly taller than my 2.8, so a small angle is created inherently. The 180 44 OS should help stabilize the rake.
Do also remember that the frame is only rated for 29x2.6"
TCFlowClyde
Active member
- Thread starter
- #1,659
29 er plus would be tight but I think it would clear...barely?, especially, if mud clearance isn't an issue...still unknowns!
Both fun when it works
and sucks when it doesn't. 🫣 Pioneering either way!
temon10
Well-known member
Mine is mullet with 165 cranks, BB height is the same with my Dengfu E10. It's safe, no pedal strike.
TCFlowClyde
Active member
- Thread starter
- #1,661
Last edited:
It just depends what you mean by B plus29 er plus would be tight but I think it would clear...barely?, especially, if mud clearance isn't an issue...still unknowns!
Are we talkin 27.5x2.4 or are we talking 27.5x 3.8?I really like my duro Crux 3.25.
TCFlowClyde
Active member
- Thread starter
- #1,663
Max is 27.5+3.0 it won't rub but stay away from mud...29+ 2.8 would be tight but doable in dry conditions.It just depends what you mean by B plus
I really like my duro Crux 3.25.
TCFlowClyde
Active member
- Thread starter
- #1,664
I tried a crux 3.25 on my LCES04 cleared... barely. But 3.0 perfect for that frame.It just depends what you mean by B plus
I really like my duro Crux 3.25.
That's awesome, favourite tire is 27.5 x 3 High Roller, (just got the last four in existenceMax is 27.5+3.0 it won't rub but stay away from mud...29+ 2.8 would be tight but doable in dry conditions.
). Next up 29 x 2.8 WTB.Cheers.
TCFlowClyde
Active member
- Thread starter
- #1,666
Maxxis HR2 or die.That's awesome, favourite tire is 27.5 x 3 High Roller, (just got the last four in existence
Cheers.
My last 27.5 x 3.0 for front, then just 2 left for the 2.8er.
I also run Surly Dirt Wizards 3.0/60 TPI as a sub. Now unfortunately, the only manufacturer making the 3.0 + both 29l27.5 left in human history?
Apparently, thank the bike packers for keeping them alive according to Surly. That and the 36 hole hub.
It's a sad state of affairs. You don't know what you've got till it's gone.Maxxis HR2 or die.
My last 27.5 x 3.0 for front, then just 2 left for the 2.8er.
I also run Surly Dirt Wizards 3.0/60 TPI as a sub. Now unfortunately, the only manufacturer making the 3.0 + both 29l27.5 left in human history?
Apparently, thank the bike packers for keeping them alive according to Surly. That and the 36 hole hub.
My favorite desert dirt trail tire was the WTB Ranger 29x2.6, R.I.P.
The frame color is matte orange. The headset is not sharp, the wires will not cut. But now it is very difficult to protect it from water.
Please take a photo of the headset, a photo from the side. Is there a gap between the frame and the top cover?
@LAnton could you have been sent the wrong bearing? Diameters inside and outside ok but the thickness/height is wrong?
The Nukeproof/Token bearing is 7mm thick.
Doesn't that mount to the brake rotor? Looks like the pickup magnet for the sensor
Lol it does. Thank you!
So now my bike turns on and the motor starts for like 2 seconds and then the motor power shuts off. The handlebar component is on but motor just doesn’t go.. anyone have experience with this?
TCFlowClyde
Active member
- Thread starter
- #1,679
TCFlowClyde
Active member
- Thread starter
- #1,680
Probably your speed sensor.
Bolt on rotor magnet.
Adjust frame sensor to make sure lined up.
Keep adjusting alignment as needed.
Last edited:
Similar threads
EMTB Forums
Latest articles
-
Introducing the Forestal e-Cygnus - a downcountry and XC emtb
The new Forestal e-Cygnus is a slightly unusual emtb. It comes in two... -
2025 M1 Sporttechnik EN 8.0 review
The M1 EN is one of four M1 models built on the same frame. Well, it’s...