SZZS specific CEF50-main thread (initial builds and troubleshooting related only)
- Thread starter TCFlowClyde
- Start date
TommyR
Active member
Nice! Mine showed up to the docks of Long Beach yesterday morning. I’m just waiting for it to get to UPS now. Getting excited!
can't wait to start assembling
I'm happy that you will receive yours as soon as possible
mike_kelly
E*POWAH Elite
Yes they work fine.
TCFlowClyde
Active member
- Thread starter
- #4,657
I use 155 mm length...way less pedal strikes than the 165 mm cranks!
TommyR
Active member
Got my frame today and started building. The headset race on the fork is a loose fit. And attached is a pic of how the upper headset fit and a pic before installation.
I’ll let Jean know, but I think an entire new headset is in order. Can someone confirm the correct size? The website says 52mm upper and 66mm lower, but that seems inconsistent with what some have used (56mm upper). Any help would be much appreciated!
I’ll let Jean know, but I think an entire new headset is in order. Can someone confirm the correct size? The website says 52mm upper and 66mm lower, but that seems inconsistent with what some have used (56mm upper). Any help would be much appreciated!
notice that you have lateral cable routing, in your place I would change immediately
that headset is unwatchable and you will have problemsSo you assemble everything without dismantling the various fulcrums to put the Loctite to avoid loosening of the pins 
I will put on Loctite protective film I don't want to get caught up in the desire to go for a ride straight away and then have some little problem, we waited 2 months for a few more days it won't be a drama
I will put on Loctite protective film I don't want to get caught up in the desire to go for a ride straight away and then have some little problem, we waited 2 months for a few more days it won't be a dramavoigtkampff
Active member
Today I was planning to do annual full service including suspension bearings replacement. Upon disassembly and closer inspection I’ve found the crack in the chainstay, which was hidden under the rubber chainstay protector. This must have happened few months ago as the crack resulted in paint chipping which I noticed long ago but didn’t suspect of being anything serious. Anyway, I’ve contacted Jean and she’ll forward this to technicians on Monday, but I wonder if they are going to replace the chainstay under warranty, what’s your experience with such cases? I don’t remember how long is the warranty period. It’s now slightly over the year since I placed my order (2023-11-25), but less then year since it was dispatched (2024-01-10) or delivered (2024-03-06), so I guess it should be still covered by the warranty even if it’s only one year…
Has anyone had similar issue, did they send you replacement chainstay, was the speed sensor included and its cable pre-routed? I don’t want to go through all the pain of cable routing again…
Has anyone had similar issue, did they send you replacement chainstay, was the speed sensor included and its cable pre-routed? I don’t want to go through all the pain of cable routing again…
TCFlowClyde
Active member
- Thread starter
- #4,665
Our frame has a 3-year warranty..I thought I had a cracked seatstay at the drop out last year on the drive side....it.was replaced out of caution no problem.
Note when I painted the whole frame myself a few months later I had to reroute the cable too. But in anticipation, I also had kept the plastic white feeder line that will likely be fed in with the warranty replacement chainstay.
davegonz2000
Member
Ouch.
TommyR
Active member
Hey y’all,
I’d like to verify my connections.
First off, I unplugged the charge port cable to secure the port. It uses the same connector as the cable going to the motor. I believe I have it plugged in correctly (see pic), but is there any way to confirm?
I also have some connectors on the cable from the handlebar-mounted controller. I think the yellow triangular cable plug is for a throttle and the loose ends for a light so I’m planning to ignore them. Does the black connector plug into the front port on the motor? An identical port is on the rear, but I think that’s for the speed sensor? There’s really no color coding like I expected.
Any help on this would be much appreciated!!
I’d like to verify my connections.
First off, I unplugged the charge port cable to secure the port. It uses the same connector as the cable going to the motor. I believe I have it plugged in correctly (see pic), but is there any way to confirm?
I also have some connectors on the cable from the handlebar-mounted controller. I think the yellow triangular cable plug is for a throttle and the loose ends for a light so I’m planning to ignore them. Does the black connector plug into the front port on the motor? An identical port is on the rear, but I think that’s for the speed sensor? There’s really no color coding like I expected.
Any help on this would be much appreciated!!
voigtkampff
Active member
I got info from Jean they will send me a new chainstay. I used this opportunity to order a spare motor guard and 2 complete sets of spare suspension bearings in the same package (one set is 8xF6901-VRS + 4xF6801-VRS at 1.65$ each bearing). They will pre-route the speed sensor in the chainstay but I need to buy a new sensor (12.5$) which I was going to do anyway to have a spare just in case the wire got broken.
TommyR
Active member
Has anyone had issues with the rotor-mounted speed sensor magnet not aligning? I had to remove one mounting bolt so I could pivot the sensor farther away from the axle centerline. Anyone else run into this? I'll try to grab a pic when I get home.
mike_kelly
E*POWAH Elite
I use Jagwire rotors with built in magnet and I did not need to re-align.
Hi Tommy
Today I mounted the motor and I also had error 21. I solved it by putting the sensor not horizontal but vertical, see photo. Tested it works without having to remove the magnet from the pin. Let me know if it solves the problem
voigtkampff
Active member
yes, this happens. mounting the speed sensor vertically like @Ger@anio63 posted helps, but the real long lasting solution for me was adding additional spacers (including spring spacer to prevent sensor rotation) to move the sensor ~3mm inwards.
TommyR
Active member
Finally got the bike put together and went for a ride. Rode about 10 miles to/from the trails and 9 more on the trails…so a little over 19 miles in total. Why, yes, I AM an engineer partly due to my amazing math skills. I pretty much used Boost (5) on the pavement and Trail (2) on the….er, trails. 
Was at approx 75% battery when I got home. I’m pretty pleased with that.
View attachment IMG_0982.jpeg View attachment IMG_0981.jpeg View attachment IMG_0983.jpeg View attachment IMG_0984.jpeg
I pretty much used Boost (5) on the pavement and Trail (2) on the….er, trails. Was at approx 75% battery when I got home. I’m pretty pleased with that.View attachment IMG_0982.jpeg View attachment IMG_0981.jpeg View attachment IMG_0983.jpeg View attachment IMG_0984.jpeg
Hi guys
today I did my first bike test ride
premise for me this is my first E-bike I was pleasantly impressed when tackling the climbs I'm used to high pedaling frequencies and I felt good I didn't have any sensation of the wall when I went over the top the 25 km was nice, the frame was smooth too, the geometry and everything else, I had a great time, nice bike, I'm satisfied with the choice I made I covered 26 km with a difference in altitude of 376 mt absurd consumption only 8% I was amazed well
today I did my first bike test ride
premise for me this is my first E-bike I was pleasantly impressed when tackling the climbs I'm used to high pedaling frequencies and I felt good I didn't have any sensation of the wall when I went over the top the 25 km was nice, the frame was smooth too, the geometry and everything else, I had a great time, nice bike, I'm satisfied with the choice I made I covered 26 km with a difference in altitude of 376 mt absurd consumption only 8% I was amazed welli think your can be claim under warrenty but its does not come with any bearing or cable, just the rear carbon triangle only and the paint might not be the same as yours original, might be slightly out, since your paint look like a custom paint.
Hello Merry Christmas I wanted to share my experience with the Cef 50 I made three outings with a difference in altitude of 1274 meters with 85 km covered as you can see from the photo I still have 67
% of battery I attach the photo of the firmware I'm using the one with which I received the original
I made three outings with a difference in altitude of 1274 meters with 85 km covered as you can see from the photo I still have 67
TommyR
Active member
Some random thoughts from my first week riding my CEF 50...
I had a nice ride on of my favorite trails this week (North Shore near the Dallas area for those familiar). I was quite pleased with the bike. The geo felt really comfortable and natural (I'm 6' tall on a size Large). Suspension felt capable and reasonably supple, but I still have tuning to do. The cables rattled more than I'd like on chunky descents. I plan to tear it down completely to fully sleeve all of the cables with foam from Jagwire. I can't stand a noisy bike!
I did almost 11.4 miles with about 800' of elevation, so not a particularly "big" ride. I was happy to still have 78% battery left, given my weight of about 235 lbs. I rode in Sport mode (3/5) pretty much the whole time and tried to maintain the same cadence as when I ride my Amish bike. It felt very natural overall. It actually made riding fun for me again! Instead of constant frustration from my lack of fitness, I had enough energy to do little jumps and drops that I otherwise might've avoided due to exhaustion. That alone makes an e-bike totally worth it!
Thank you all for the suggestions on the speed senor. I didn't realize it could be rotated! I also installed the Magura magnet to the rotors and it's such a nice and clean install! Pic of the magnet attached.
I also installed some eThirteen 155mm cranks that are designed for Bosch motors. They fit fine, but the aesthetic cover doesn't mate up well (I'll share a picture when I get back home). I opted for the wider Q factor because the stock cranks felt too narrow to me. And eThirteen has a 30% sale on right now! I also tried one of their splined chainrings, but sadly the spline diameter was too small and wouldn't fit.
I am running a 200mm Fox dropper post, but it's at the very max limit of fitting. Internally, it can easily hit the charge port and pop it loose if it's too low. The dropper needs to be raised about 3/4" from fully inserted in order to fit properly.
I'm running SRAM Transmission (GX) and it worked like a dream! Never missed a shift, even under some power. The Lewis LH4 brakes with 203mm Magura rotors (2.3mm THK) gave ample power with great modulation and I was really happy with the combo. I also replaced the original chainring with one from SRAM to ensure it would work with the flattop chain. I kept the 32t size and I think it's the right size for how I like to ride.
Current tires are 29" Maxxis with a 2.5" Assegai and 2.4" Dissector, but I really want to try the new Schwalbe radials once I find what I want in stock. I also have a set of 27.5x2.8 tires (DHF/Rekon) on some wide 45mm rims I'd like to try for a new experience! That'll also be my winter setup if/when it snows here in Texas.
I've loved riding the bike this week. It honestly had me wondering if I will have a need to keep my Yeti SB140. Time will tell...
I had a nice ride on of my favorite trails this week (North Shore near the Dallas area for those familiar). I was quite pleased with the bike. The geo felt really comfortable and natural (I'm 6' tall on a size Large). Suspension felt capable and reasonably supple, but I still have tuning to do. The cables rattled more than I'd like on chunky descents. I plan to tear it down completely to fully sleeve all of the cables with foam from Jagwire. I can't stand a noisy bike!
I did almost 11.4 miles with about 800' of elevation, so not a particularly "big" ride. I was happy to still have 78% battery left, given my weight of about 235 lbs. I rode in Sport mode (3/5) pretty much the whole time and tried to maintain the same cadence as when I ride my Amish bike. It felt very natural overall. It actually made riding fun for me again! Instead of constant frustration from my lack of fitness, I had enough energy to do little jumps and drops that I otherwise might've avoided due to exhaustion. That alone makes an e-bike totally worth it!
Thank you all for the suggestions on the speed senor. I didn't realize it could be rotated! I also installed the Magura magnet to the rotors and it's such a nice and clean install! Pic of the magnet attached.
I also installed some eThirteen 155mm cranks that are designed for Bosch motors. They fit fine, but the aesthetic cover doesn't mate up well (I'll share a picture when I get back home). I opted for the wider Q factor because the stock cranks felt too narrow to me. And eThirteen has a 30% sale on right now! I also tried one of their splined chainrings, but sadly the spline diameter was too small and wouldn't fit.
I am running a 200mm Fox dropper post, but it's at the very max limit of fitting. Internally, it can easily hit the charge port and pop it loose if it's too low. The dropper needs to be raised about 3/4" from fully inserted in order to fit properly.
I'm running SRAM Transmission (GX) and it worked like a dream! Never missed a shift, even under some power. The Lewis LH4 brakes with 203mm Magura rotors (2.3mm THK) gave ample power with great modulation and I was really happy with the combo. I also replaced the original chainring with one from SRAM to ensure it would work with the flattop chain. I kept the 32t size and I think it's the right size for how I like to ride.
Current tires are 29" Maxxis with a 2.5" Assegai and 2.4" Dissector, but I really want to try the new Schwalbe radials once I find what I want in stock. I also have a set of 27.5x2.8 tires (DHF/Rekon) on some wide 45mm rims I'd like to try for a new experience! That'll also be my winter setup if/when it snows here in Texas.
I've loved riding the bike this week. It honestly had me wondering if I will have a need to keep my Yeti SB140.
Time will tell...
mike_kelly
E*POWAH Elite
I keep my old "analog" bikes to ride the trails where emtb's are not allowed. I don't ride trails where they are not allowed in hopes that they will come around and open them up to emtb. I don't want to screw that up for anyone by riding illegally.
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