SZZS specific CEF50-main thread (initial builds and troubleshooting related only)

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Charlypitillo said:
Hi, is the 700wh battery the one that comes with the frame? Do you know its weight? Are you getting a lot of autonomy from it?
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Yes, it is the battery that comes with the 48V 700Wh 4kg frame. Regarding autonomy, it depends on the type of ride. I ride XCM autonomy above 100km with 1500m of elevation, 10% single and 30% off and 70% eco.
 
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lkdoido said:
Yes, it is the battery that comes with the 48V 700Wh 4kg frame. Regarding autonomy, it depends on the type of ride. I ride XCM autonomy above 100km with 1500m of elevation, 10% single and 30% off and 70% eco.
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IMG_4542.png
 
Charlypitillo said:
top weight components?
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My components are really heavy, I left the light components on my XC bike. Here is the list:
- mt620 wheels
- exa form seat post
- shox deluxe 210x55
- fork durolux 36
- front tire hellkat 2 4
- back tire Ruban 2.4
- Rim protector
I believe it would be possible to reduce about 2kg for several $$$.
 
lkdoido said:
My components are really heavy, I left the light components on my XC bike. Here is the list:
- mt620 wheels
- exa form seat post
- shox deluxe 210x55
- fork durolux 36
- front tire hellkat 2 4
- back tire Ruban 2.4
- Rim protector
I believe it would be possible to reduce about 2kg for several $$$.
Click to expand...
I'm going to try to leave it at 18 kilos 😂🙈🙏🏻
 
I'm looking for a FOX FLOAT X FACTORY 210X50 and I'd like to know if the 22.2x8* measurement that is stated in the geometry of the frame's shock absorber is the same above and below on the two sides where the shock absorber is anchored? Do you know if those bushings come with the shock absorber? There are many 210x55 shock absorbers for sale and few 210x50 ones and I see that many of you have mounted the 210x55 one. Does it fit the size S frame and 29” wheel well? I do XC and marathon and some trial sections, no enduro.
 
After a lot of thinking, I didn't bite the bullet. I'm afraid that I don't have the nerves to build the bike with all the potential hiccups. I wanted a light bike, with 140-150mm travel, but the price would be near a discounted Rise H20. Maybe the CEF50 beeing a downhill frame, it is an overkill for my style of riding.
Thank you all for opening my eyes 👀
 
Hey Guys, what's your longest / highest ride with the M820, even in Eco ?
I'm planning to do a 60+km with 1450m D+, I will have no other choice than staying in eco all along but I'm afraid it won't be enough. I'm running the Bafang 430Wh battery :D
 
My wife did a test in the Montana mountains. A 22 mile ride with 2000ft constant elevation change with a 360wh battery. Had 20% left in the battery.
 
mike_kelly said:
My wife did a test in the Montana mountains. A 22 mile ride with 2000ft constant elevation change with a 360wh battery. Had 20% left in the battery.
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I regularly do 25km (~15miles) with 900m of elevation (~2950feet) and I'm almost every time in boost or S+, I got home with 20% left.
I'm really wondering if the eco mode would do it
 
How much do you weigh? are you trained? with my weight of 70kg dressed with a backpack I can travel 40/45 km and overcome 2,000 m of altitude difference in Eco/Tour (100/200w supplied) with sections in Sport (400w supplied). 48v 480wh battery with 43v firmware
 
8Grunf said:
How much do you weigh? are you trained? with my weight of 70kg dressed with a backpack I can travel 40/45 km and overcome 2,000 m of altitude difference in Eco/Tour (100/200w supplied) with sections in Sport (400w supplied). 48v 480wh battery with 43v firmware
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75kg fully dressed, average to good physical level (I manage to do my 25k with 1500m elevation in 1h05min).
I understand I might have to reduce the total number of kilometers...
 
8Grunf said:
How much do you weigh? are you trained? with my weight of 70kg dressed with a backpack I can travel 40/45 km and overcome 2,000 m of altitude difference in Eco/Tour (100/200w supplied) with sections in Sport (400w supplied). 48v 480wh battery with 43v firmware
Click to expand...
Could you talk more about the advantages of having a 48v battery and 43v firmware. Could it compromise the engine or battery?
 
lkdoido said:
Could you talk more about the advantages of having a 48v battery and 43v firmware. Could it compromise the engine or battery?
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The advantage is that you get a significant increase in power and greater overrun. I have traveled over 1,000 km with this configuration without any problems. The disadvantage is that the battery charge percentage indicator will no longer be reliable.
In the Bafang M820 "engines" section we talk about it and you should also be able to find suggestions on which firmware to download if interested.
 
brbr said:
Hey Guys, what's your longest / highest ride with the M820, even in Eco ?
I'm planning to do a 60+km with 1450m D+, I will have no other choice than staying in eco all along but I'm afraid it won't be enough. I'm running the Bafang 430Wh battery :D
Click to expand...

78km with 2400m climbs on 480Wh battery, 92kg rider + equipment weight, eco mode including ~10km without any assistance on flats and downhills
 
What a good autonomy! I ordered the 700Wh one, which is heavier, and with these comments I'm considering ordering the 480Wh one and the extender option that they're going to release, Jean.
 
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