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  1. E

    Adventures On The Cheap

    Well I immediately thought that I have to read that, but after reading this https://en.wikipedia.org/wiki/Gravity's_Rainbow#Plot, I'm not so sure about this any more?!? Sounds weird. I quote: "Slothrop meets members of the Schwarzkommando, a fictional cadre of African rocket technicians...
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    Bafang Ultra, Phaserunner + CA with custom frame

    Well as others posted, I don't think you can find a good solution off the shelf. Every motor has its width, making it especially small is possible, but needs extra small bearings, extra small gears etc. so that would lower its reliability and lifetime. Who would pay extra money for a motor that...
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    Bafang Ultra, Phaserunner + CA with custom frame

    Well...you ruined your knees by lifting weights for years, I ruined my prostate gland by riding motorbikes even through winter since I was 16. It's always afterwards you are wiser, aren't you? 8) This saddle gives no pressure on my precious parts whatsoever and is still much more comfortable...
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    Bafang Ultra Discussion

    I would like to ask active Ultra drivers about reliability of the G510. I use it for commuting 50km per (dry) day, almost all the time with maximum possible power. Total km so far only 800km. Battery is a 52V 19Ah china pack, controller is the Phaserunner. The combination gives a lot of power...
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    Bafang Ultra, Phaserunner + CA with custom frame

    Thank you guys! No, it's a "classical" "Linkage Driven Single Pivot", see https://en.wikipedia.org/wiki/Bicycle_suspension#Rear_suspension It gives you maximum space in the frame triangle, that's why I prefered it over Horst-Link or Single Pivot. I simply took the upper and lower swingarms of...
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    Adventures On The Cheap

    That 60 T wheel has around 245mm diameter. BTW: raketemensch - meaning "man like a rocket" or something like that? That would be "Raketenmensch" in german. Sorry, but I teach that language :mrgreen:
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    Adventures On The Cheap

    I ended at 60 in front and a range of 32 to 11 on the rear wheel
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    Adventures On The Cheap

    I know that feeling. I started with the plan for a berserk downhill bike (of course ignoring that I'm almost 50) and found myself converting it halfway in a much better touring bike. https://endless-sphere.com/forums/viewtopic.php?f=6&t=98811 I even ended up with a handle bar like they have on...
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    Magura MT5 front brakes on DNM USD-8 Fork

    Well, as I said, I think those adapters were included with the DNM fork. Have a look in their manual: https://www.dnmshock.com/upload_files/products/7/usd-8coil.pdf on page four is a drawing were you can see those adapters. Where did you buy your DNM?
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    Magura MT5 front brakes on DNM USD-8 Fork

    I think what you need you'll find here: https://www.bike24.com/1.php?content=8;product=5624;menu=1000,2,15,117;pgc%5B18323%5D=18337;pgc%5B146%5D=0;page=2 Look at the fork table... cheers, eli
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    Magura MT5 front brakes on DNM USD-8 Fork

    Mick, I have that setup with 203mm discs: https://endless-sphere.com/forums/viewtopic.php?f=6&t=98811 Here is a pic: I think those adapters came with the fork, didn't they? elias
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    Best internal gear hub?

    I agree! I built myself a wheel around the Sturmey Archer RX-RK5 IGH which is described as "heavy duty" and ruined it in 8 days with a Bafang Ultra/52V bike: https://endless-sphere.com/forums/viewtopic.php?f=6&t=98811 Now I'm happy with the SRAM X4 derailleur, but thats another thread I suppose...
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    Bafang Ultra, Phaserunner + CA with custom frame

    Well, I consider this build to be finished. Everything works fine, except maybe the Sturmey-Archer hub, which sometimes doesn't switch gears. My feeling about this is, that during the assembly in the factory they try to save some grease. The whole thing feels kind of rough and metal-like when...
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    Bafang Ultra, Phaserunner + CA with custom frame

    Hey Gary, thanks for that language hint! The problem is that they can take your car driving license for riding something like that...I already had contact to a TÜV-guy. I could make the bike street legal. It's a question of money. He told me that if my electrical components have no proper...
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    Bafang Ultra, Minnesota 1.2, Fatbike

    Indeed! :wink: But it must be fun on the beach!
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    Bafang Ultra, Phaserunner + CA with custom frame

    Update: I took the bike this week to get to work. Thats 24km one way - not flat, not with real mountains, but nice up and downs and some fast straight roads too. Monday was over 45min with all the stops to get things tight and hussle with CA settings and so on. I tried different settings almost...
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    Bafang Ultra, Minnesota 1.2, Fatbike

    Do you run the Bafang with stock controller on 52V? Mine blew up the second I plugged it in the 52v battery for the first time. THEN I went for the phaserunner...
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    Bafang Ultra, Minnesota 1.2, Fatbike

    Same with my mount. About 0,5mm the worst. The file is your friend...
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    Bafang Ultra, Minnesota 1.2, Fatbike

    What clever and easy solution! I built a whole jig for that (but I wanted a jig anyway, so that was OK) Did you measure everything after welding? Is everything really straight? elias
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    Bafang Ultra, Phaserunner + CA with custom frame

    I'm not happy with my chinese battery. I mean, you can't expect too much from a 52V 20Ah battery that costs 350 from door to door... But still, the thing doesn't last more then 25km under max assist :( With my settings I'm not satisfied either. Gary, since I changed to your suggestions (but...
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    Bafang Ultra, Phaserunner + CA with custom frame

    Yeah, why? :mrgreen: You are right. Yesterday night I thought: what the heck, the 1/8 chain will run on a 3/32 chain wheel as well. 58 teeth should be nice. Who cares about service live?
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    Bafang Ultra, Phaserunner + CA with custom frame

    Didn't work either. But I didn't ride it so far, will post results with 1000 rads later. I bought this and two of those for like 5 euros together, cut the first in two pieces, solderd the ends to the panel jacks and made "signal exits" out of my frame. Now I have an easy access to CA and...
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    Bafang Ultra, Phaserunner + CA with custom frame

    Gary, I tried that setting "0 rads" and got the communication error for the first time. Plugged off, turned on again, tried "1000 rads" again (other settings as you suggested) and communicaton worked.
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    Bafang Ultra, Phaserunner + CA with custom frame

    More teeth on the rear sprocket would solve the problem of a jumping chain, but the bike would become more or less unrideable. Yes, I will need another battery. As I don't have the equipment to make one myself (I have so many tools, there must be a limit somewhere of what you hoard!) I have to...
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    Bafang Ultra, Phaserunner + CA with custom frame

    Hmm wait, this is what grin says about Statorade: "Will this work in geared hub motors or mid-drive motor systems? No, not really. Geared hub motors do not have their rotor shell exposed to ambient air, so increasing the heat conductivity from the motor stator to the rotor does not help get the...
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