I 3D printed a Derailluer Hanger and it's better than you think!!!
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- Опубликовано: 11 сен 2024
- So I decided to 3D print my own derailleur hanger the results will surprise you!
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be interested to see how your design holds up on a big ride, good effort dude
jamble7k I think it’s meant to have like 3 in your bag so if it breaks it can be very easy replaced and made
One idea:
Print it in ABS and then soak it in super glue (im not kidding this actually works really really well). Make sure the print is completely solid too and that your using a really fine nossel
Maybe under vacuum to help get the glue into the part quicker?
arent the hangers MEANT to break away? so if you crash you break the hanger but not the derailleur
@@TheDarkElk yes and no, under hard impacts they should break to avoid rear mech damage, but for smaller hits they should just bend as to ensure you can still ride away albeit without as crisp shifting
@@reillys7981 with a 3d printed one the goal should be to be stiff under normal shifting but break in a crash. Plastic can't really bend the way aluminum does. But since this is cheaper and more accessible you can just keep 2-3 in your bag.
Totally agree, Derailluer Hangers are insanely priced for what they are! And there are dozens and dozens and DOZENS of varieties of them!! Why couldn't we have just "one" standard? Or even TEN standards, still would be an improvement!
Haha yeah I think every bike manufacturer has tried to make a "standard" and now all we have is hundreds of them. I did see sram have come out with a new hange that is part of the trough axle which could be the start of something close to what we want
Have you done any further testing on this since December? eg. Pack a regular hanger as backup, put the plastic one on, then ride it until it snaps (however many days/rides/kilometers that is).
I had my hanger fail suddenly today - snapped right across the narrowest bit of a countersunk hole, under no abnormal load. I *had* previously bent it to correct for an accident, so I'm not surprised that it failed, but I was surprised when the derailleur suddenly went from the middle cog down into my spokes! Unfortunately, the bike is ~25 years old (but still plenty good!), so they don't make hangers for it anymore, not even knock-offs.
Now I'm left wondering if I should try to print one, painstakingly Dremel one out of a block of aluminum, or use this as an excuse to get a new bike... or a CNC mill.
This has encouraged me to design one for me to print on my resin printer out of some of the specialty ultra tough resins I have, because if you got these results with pla then I bet I can make it work with tough resin
I designed my own hanger (also #266 for a GT) and had JLCPCB print it in stainless steel. It needs the threads chased out (which is hard in stainless, cause it's hard) but it works great. Aligns easily without instantly creating a stress crack. 2 hangers are $9usd plus tax and shipping - which is cheaper than just one wheels manufacturing hanger.
Well done mate. The industry should really get its act together though.
The hanger is a mechanical fuse, made to break in place of the derailleur, if you make it too strong, and your wheel catches the mech its gonna break the mech.
I get why you want to make it sturdy, but it may be a more expensive piece to replace next time.
I would try a different breaking geometry for it so it will remain a breakable part
Hey, do you have by chance the file to print it? Have the exact same hanger and it broke, would be nice to print some till the alu one arrives :) Thanks in advance and good job!
This is so cool! As someone else mentioned, a resin print would be awesome for strength (not to mention heat resistance too)
I think I should get a resin printer....
Made one in PLA with all mounting hardware:
ruclips.net/video/TgYJpTtRMSY/видео.html
Nice
Was just thinking a bout trying something like this myself! Would 100% use your same process, thats the same way I work! Great video thanks for sharing and great results!
Nice Build! I actually had the same thought train this morning on a ride (funny: Also on a GT) and am planning on 3D printing a derailleur hanger on my MarkForged 3D printer with fiber reinforcement. Think it will have a bit more stiffness and strength than the ABS hanger.
I really enjoyed your expirements, applause 👏.
Nice! Maybe see how it does when someone lays it hanger side down on rocks a hundred times or so? :)
Haha yeah it does need a good rough test.
thats y i bough and build 3d printers 4 that reason u canbuild almost anything its just down to ur imagination, u found a problem witch is ther same thing i did i went on a ride and the hnager snapped so i did same made a 3d printed on 4 the same reason just to get u home so great video for that reason made me think im gunna make teh go pro version now
what about subzero temperatures, how would it hold up to that? I am Norwegian, it gets really cold here. also would be interesting t o see how fell it can take hard riding, and
if it gets effected by flex in the rear end of the bike, or if the
wheels will loosen, or hold.
Plastic will shrink faster than metal, to this might cause problems, I don't know, maybe it will cause horrible problems or might not. temperatures can change fast and mixing materials is not always good idea, but it can work well if you use they right materials together, but I don't know how this type of plastic reacts, or what it can take.
so far my experience with plastic has been that some older cheaper Shimano triggers will crack in -10C, like Acera, but Shimano M8000 & m9000 does not crack. but that might have been other causes than the temperature, but it could be the temperature.
Very interesting thought, thanks for the comment. I watched this video ruclips.net/video/w0JVXvSSEWs/видео.html about how 3d print material performs at low temps. Wasn't what I expected. I wonder what those triggers ar made of?
@@juliangoulding I have no clue, all I know it's some plastic, Shimano keeps it secret, what they have, apart from alloy, steel, titanium, but no exact material specs.
@@juliangoulding thx, interesting stuff. -20c is definitely possible in Norway, and even colder in the north, but I live n the east, so rarely get under -10c some times it gets to -15c. good video.
@@juliangoulding the cheap shifters have easily scratched plastic, it almost looked like someone attacked it with a knife, but the new and more expensive shifters they look like new, apart from small scratch on carbon lever due to crash on xtr m9000 and paint wearing off on xt m8000 alloy lever, plastic levers still like new. here is the Acera SL-M360: flic.kr/s/aHsmmNanAr it failed after riding in -10c, but not completely. but I don't know for sure if it's the low temp, or just weal material.
use polycarbonate filament instead of petg.Its much stronger.
I'm wondering this as well, maybe even carbon fiber polycarbonate or CF nylon. Ultem seems to be the best material as it's even stronger and allows for a bit of flex. I've got a printer on the way to test these theories.
Very cool idea! Like the way you think! 👍
Awesome stuff !!! Next step is to make it direct mount ?
Awesome work dude, make one for a Diamondback Syncer and send it Seth!
This was super interesting and a dope idea
How could you tag seth in this when you have a dork disc hahaha
It's a rental bike. Don't have one on my bike, promise haha
high quality video, really good
We're they all pla?
Good job dude
Very cool mate :) happy holidays!
SoundtrackOfOurLives cheers mate, same to you!
what if you allowed it to flex forward and backward (maybe with nylon) but not side to side. So the shifting still works but on impact it has a little bit of give so it can flex around a rock.
you could just strengthen it in the direction you dont want it to flex. so you increase the width of the hanger but make the walls thin so it wont flex but will still break if to much pressure is applied
@@ameraldas3641 true but my experience 3d printing is too brital for something like that
thanks for the info
If anything a spare to keep in your pack for emergencies!
are you a saffa? lol good job doe
Cheeky Kent yeah originally from Cape Town. Been in NZ 10 years now though.
Send us the design, people need it every day, stop hiding stuff we need to waste money, send us the design
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