carbon bike repair - chain stay fix - DIY
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- Опубликовано: 20 мар 2020
- You have damaged your carbon bike and need a fix? I like to show you easy methods to repair carbon bike frames. In this video I have to fix a chain stay and I have to clean and prepare the frame for an SRAM eTap. I close cable guide holes with carbon fiber rods and laminate the chain stay with unidirectional carbon fiber to fix the damage caused by the chain.
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#carbon #bike #repair 
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Thank you for posting this video, I had some chainstay damage but had it repaired by a "professional" and recently my chain took another bite out of the chainstay. Found out the previous repair was not very good. I was expecting to see carbon but saw a lot of bondo and carbon. I used your same techniques from this video and had great success. I tapped the repair with a coin afterwards to check for solid adhesion and thorough epoxy wetout and found no dull thuds. Just as you say, a pretty easy repair to do at home. So thank you for sharing your knowledge and tips, very appreciated and helpful! (My paint and clearcoat work leave much to be desired, however..)
You're a true hero for this. Love your vids man. Thanks for sharing your knowledge.
Martin amazing concept, your skills and gifts are just awesome. My 5 year old son likes watching your videos, although he doesn’t understand what you say (yet). This Orbea is my favorite design, you made this just outstanding. Thinking to repaint my new MTB ;-). Take care lad. Greetings from Upper Austria.
Agreed! Tire trick is brilliant. Great to see the carbon repair. Thanks!
Another great video. Thanks for giving all of us information and knowledge on how to repair a bike frame. Keep up the great work
Martin, I am using your excellent tutorials to repaint my 2008 Cervélo RS frame. When I took the components off, I noticed some damage to the BB caused by the chainring rubbing on the fame. Your tutorial on how to repair this damage is extremely well done and provided perfect instructions. Thank you for taking the time to create this instructional videos and for posting them for all to see and use.
Very educational. Thanks for showing us the technique of patching carbon frame
Omg the tire tube trick INGENIOUS!
Love that bike tube trick. Thanks - very helpful.
You are an amizing guy. I like your Videos so much. Bin Auszubildend als Zweiradmechatroniker mein Ziel in diesem Beruf, ist so Profi wie du zu werden. Beste Grüße und weiter so
Enjoy every one of you’re videos fantastic job 👈🏻👏🏻👏🏻👏🏻
Awesome safety message. Thanks for changing my ways.
Brilliant. Love that you share these tips and skills.
Have just sent a frame away for repair, but with these tips might just try myself next time. The shrinking tape and fast-set epoxy are great tip.
One question with resins - are the slow set epoxies more durable than the quick set, or just useful for different things? I repaired my hockey stick a few years ago and was advised to get the slow setting epoxy as it cuould withstand more and would last longer.
That's impressive. Great job...
I love your knowledgeable videos love u ETOE MY DEAR BROTHER
Thanks for understandable English and knowledge. You said that what do you know. İt is really good for us. Thank you
Absolutely fantastic. Good work, sir.
That's a good job.
From Japan
are there any cheap sources for the perforated shrink tape? i only need a tiny bit
The inner tube trick is awesome.
Agree bro..." Art is the a matter of nailing pudding to the wall"... Great quote !!
Hey Bro, many thanks from Rio de Janeiro🙌🙏
Brilliant stuff!
Well done mate!!! 👌
Great video! Thank you
Hi Martin. Great video!!! I have damage in the same area as the bike in the video. My question is I’d like to used shrink tape around the repair during the curing process. What brand of shrink tape do you use? I can’t seem to find such think (tape with holes) in Australia. Now I do not own a baking room so would a heat gun work?
Amazing guy! I will make the print with gold leaf on my frame
Wow! Thanks for the video! I'm going to use this same technique to make an internal storage on the downtube of my enduro bike, like newer frames has. I'll cut the hole, reinforce the inside surroundings with unidirectional cf, and make a cap with bottle holes (bike has no bottle holes) :D
This sounds like a terrible idea
Tambien seria interesante que pusieras el enlace para comprar los productos que usas para ña reparacion de carbono algunas veces lo haces
I only want to remove the white logo on the downtube from a matte black carbon frame. Do I only need to sand it as in the video, or do I need to put something on after to protect the frame if I only want the matte black finish?
Oh you have compressor, you could use an air riveter, if you had a riveter, great video superb job
@ETOE, Awesome paint jobs but how do you know if there are no delamination on the accident chain stays in the existing carbon, do you have access to ultra scan?
Perfect job. Congratulations!
Martin, can u please put name of product shrinking tape, which one? cant find with those tiny holes, its urgent, thanks!
thanks for sharing your knowledge on carbon frame repair
BTW what brand is the resin that you are you using?
Nice job on the repair 👍, don’t forget to use nitrile or vinyl-gloves when using epoxy. Epoxy allergy is a real thing, which everybody with enough exposure will get, and for your job something I really wouldn’t want to get.
Julius Meier Fully agree!
You should not touch carbon with bare skin,the grease causes delamination
Painters have to die young because they are bad payed and will retire poor if not died young. So no gloves needed!
@@matt7775 Painters have no grease on their skin they don't even have skin on the hands as longer they do their job. So no need to worry about grease.
Hehe I have it even though I wore gloves
Nice work. Some ideas for yur consideration...
- use a wood glue utility brush instead of ear swab
- mount a heat lamp bulb or two in a ceramic socket to ceiling above workbench to aid in epoxy wetting out CF, works great aircraft composite project
- put layer of dacron peel ply on top of finished layup then cover with shrinking tape, when dry and peeled off has nice mat finish
Thanks again....
Amazing Brother Thanks for sharing knowledge...
Hey Martin,
Started watching this week as I recently picked up the hobby of reworking old rusty bikes, and I have to say you are quite the talented character.
Out of curiousity: did you do some kind of education (e.g. "Zweiradmechaniker / Meister") in Germany in order to be "certified" to do this in business terms?
Keep up the great work.
Great stuff. I’m enjoying the videos. I found the channel a few weeks ago when I picked up a used cervelo s3 frame that I want to strip and clear coat for the nude look. I found that the NDS rear prop out is worn by about 2mm so the wheel doesn’t sit correctly. Can I use resin to fill this in or carbon strips with resin ?
It is possible to do but definitely no beginner carbon fix project.
Great work and great advice 👍👍
That’s exactly how i fixed a snapped chainstay .
Thanks again , many will learn a lot from your channel 👍👍👍
Amazing..
I have the same issue on the same area in my frame but mine looks like more structural damage (chain got stuck, I got pissed off...the rest is history) to the point that the carbon can be moved by putting pressure with the finger. I suppose that's not a DIY job...well put it this way i wouldn't be very confident going down hill knowing that I stuck some small pieces of Carbon myself....,😰.
So the new frame is coming. Good thing is I have seem your DIY paint job and it's gonna look great! 👍
Awesome video. Where can I find the shrinking tape?
Where I can find/buy this shrinking magic tape ? Thnks!
Hi where do you found the perforex S2 thermo ?
Thanks
Hey Martin, I've watched many of your videos now and found them really useful for getting great tips and tricks associated with custom painting frames and helmets, I've had some good results using the techniques you have suggested, could you please let me know the type of mask / stencil film you cut and use along with the transfer tape as I have had some issues with various different types and not yet found one that is consistently reliable and that works very well for me. Thanks again for taking time out of your busy daily schedule to show us your amazing work.
Wow you're so good
Awesome video. Thank you very much. What brand of special "shrink tape clear", and were to purchase it. I tried amazon no luck. Please help...
Could you recommend a cheap carbon repair set (glue and some pieces of carbon mat) for home repair? There are some on Amazon but with mixed reviews.
This was absolutely the best DIY video I have seen yet! Ausgezeichnet!! Just out of curiosity... could you use body filler on minor scratches and areas where the damage is too small for the tape or do you just use the resin?
When I've done this, I mix the epoxy, then cut small pieces of carbon fiber (roughly 1mm long) and mix it with the epoxy. Then apply to the scratch/ chip. Not really for crack in the carbon, but more as a filler. It sands, primes and paints well. Not sure if this the best way, but has turned out well for me
Excellent 👍
Hallo Martin, Danke für das Video. Kannst du bitte noch ein paar Links nennen wo du die Materialien einkaufst? Oder was du empfehlen könntest um es daheim machen zu können. Vielen Dank
What's a great video really enjoyed that keep up the great work very helpful I shall try this on mine
Glad you enjoyed it
Im amith from sri lanka great video
I love your wideos
Excellent tutorial! The only issue I seems you should be using a much slower curing epoxy - slower cure rates ultimately mean longer polymerization chains, which makes for a much stronger epoxy and therefore repair.
Using a fast cure plus heat does not lend itself to good long term strength of repair.
What is the porous tape called that you use to press the layers of CF together and squeeze out excess resin please?
Excellent video thank you sir!
Glad you enjoyed it!
Thank you my garet teacher ♥️♥️♥️♥️
Hi i really enjoyed watching your videos,can you please make a video about tips and tricks for painting whit spray csn only,or how do you do it for the perfect paint job?thanks
Please watch this DIY video: ruclips.net/video/rsD3E0b6mko/видео.html
your amazing bro
@ETOE Loved you video. Keep them coming. My apologies if this was not asked in some of your German comments. How do you know how much paint/epoxy needs to be prepped around the existing damaged carbon area in order to obtain a strong enough bond with the new carbon/epoxy being applied to maintain the strength needed, especially in high stress areas like the bottom bracket? And, do you try and match existing carbon fiber properties like low vs high modulus when making repairs?
No bike repairers do ,they use a generic epoxy and cloth. At best 50% resin to carbon but manufacturer uses prepeg at best 40% no repai should ever cost more than £100 with time and effort or they are taking the piss
Could you list the material you used, resins, shrink tape, etc
Holaa estos son los videos que molann ahora estando en casa por el covid 19 mas que nunca aprovechar el tiempo y distraer la mente conecta los subtitulos en español para poder leerlos en tus videos graciassss cuando puedas lo haces seria muy bueno para los españoles un abrazo
Cooler Workshop😎😎 Art is producing such cool videos😎😎
Can you provide the links to where to buy the resin mix, carbon fiber tape, and the shrinking tape?
Excellent
Hi Etoe. What kind of shrinking tape you using in this video?
where to get this shrinking tape? I have not seen one before..
If Hambini and Martin teamed up you'd have the best engineered , best looking bike out there. But, can you imagine the two of them in the same room...
True
Hi. Excellent video... Can I bother you tell me the name of the shiking tape?? and where to find it?
Great workmanship. Curious how are those holes occurred and are you going re-drill them again especially the one for the cable in the rear. Any tip for deep scratch lines without patching the carbon fiber.
He mentioned at the start the owner was changing to a wireless setup so no longer required the holes.
Great video. Has anybody found the shrinking tape with holes in the USA??
Where do you find the shrinking tape?
Great videos, interesting and provides value. Question, I'm doing a relatively minor repair on the top tube road frame. I bought carbon fiber fabric cloth, 3k 200g/m2 plain weave. I need to buy the resin now, and at first i was going to buy 1:1 ratio resin off Amazon, but is there a specific resin i should be using. thanks very much.
Besides reference to UV protective resin, i've read folks using "marine-grade epoxy resin" and other resin's that were suppose to be stronger, which was not a 1:1 ratio? I can see the benifits for a fast resin, as you mentioned.
it's insane how light that frame looks while u hold it with one hand...one of these days i hope to ride a carbon frame...im already impressed with aluminum....
unless you ride for races or off road i wouldnt consider carbon for city use or anything else honestly, i used a have one and i was constantly worried that it would break when locking it up next to other bikes. it also depends on the quality carbon fiber bike you get some are stronger some are weaker keep that in mind
@@nexii1479 yea i plan on keeping my aluminum and just upgrading around it...but i would like to ride a real carbon frame at least once...
@@paullmight42 you definitely should give it a try, difference between acceleration on carbon vs steel is quiet a lot
@@nexii1479 i can imagine...going from steel to aluminum was a massive change already...
Where can I buy this shrink tape did you use to squeeze?
How did you sand inside the frame for the internal patches,you didn't show any preparation apart from drilling out the paint out of the hole itself?
Great video! I noticed that these didn't seem to be really bad structural breaks, would the same technic be okay for more sever breaks?
I was about to ask this
Would like to ask where to buy the shrinking tape?
Hello etoe! Is it possible to remove the carbon patch after sticking it?
Finally someone else other than me that uses the bike tire inflation method
I like your ENERGY💪🚴
Robota z duszą.
Donde consigues esos materiales?
Hi, was für ein Klebeband benutzt du zum aufschrumpfen? Wo bekomme ich das her?
Danke schonmal ;)
Hi Martin, thanx for uploading such great DIY tutorials. I‘ve discovered a crack on my fork‘s steerer tube (RockShox SID World Cup) and want to fix it with unidirectional HM prepregs. As I‘m very good in fixing various things, I‘m pretty confident of doing a decent job. But I have two questions: when it comes to baking it in the oven, I‘m unsure how the resin, which holds the stanchions in the crown would react at temperatures around 120 degrees Celsius. And can I compress the carbon layers sufficiently with heat shrinking tube instead of heat shrinking tape as I don‘t have to apply any additional resin? Thank you very much in advance🤘.
Use what ever you think suits for you. Why would you use so much heat? I see no need to use so much heat to cure any resin.
@@ETOE Oops, I‘ve just noticed your reply…three years later 😂.
Thank you for your reply. In the mean time I managed to fix it with Toray T800 UD Prepreg. And although being a quite humble guy, I have to admit that I‘m pretty proud of the result.
I managed to build an isolating door for the oven, where I could stick the steerer tube through, so only the tube got exposed to the heat.
Now I‘m fixed and made some other accessories for my mountainbike, like a carbon fender for the fork and a copy of the frame holder for my mini pump.
Thanx again and I‘d love to see more of your carbon repair videos.
Hi, how to combine doff & glossy finishing in same frame? Like doff finishing for entire frame and glossy finishing for name brand. Thank you
I drink doff Finnish beer while painting and magic happens, boom a doff and glossy finish appears caused by Finnish doff beer.
Hola amigo que lija utilizar para lijar un marco
Hello, i have an orbea frame green color just like the frame in this video can you tell me what color number/name is the green paint used in that frame i have some paint chips i wanted to paint over ? Thank you, cheers.
I have no paint numbers. Ask Orbea.
mantap your information is very very good
very good Caya you explained, I have started learning and have produced carbon for my own use.. I have already repaired my cracked bicycle frame, so I don't need to send it to the shop to repair the crack, the first time I use this carbon, right? my body is very itchy. but from there I started to understand that if it is ready and dry, if it is rubbed, the dust can fly and stick to our body parts..anything, thank you for the way of using this product..very good,,, ,#stay save covid is still there we are almost winning, we have not won against this covid19..#to those who died due to covid condolences to their family members# very grateful for the useful knowledge from you
Were you able to paint the repair, or did you have to do the whole frame?
Hey! Super Video!
Wie heißt das Band, was du über das Carbonband klebst? Ich finde das leider Nirgends :(
This guy became my favorite YT personality in just like 3 videos.
3 minutes ))
Hallo Martin, grüße aus Deutschland, beim "Shrink Tape" bin ich am verzweifeln, habe zwar eines bekommen, aber das schrumpft nur 5% (glaube das ist zu wenig Druck nach dem ersten Test) und R&G gibt nur die 100m Rolle ab, brauche aber nur 1m...bekommt man auch irgendwo eine "Kleinstmenge"...kann nichts finden?!
Das is good!
Great content, subscribed!
Can you go more in depth on how to fix a carbon frame, with materials details including type of carbon fibre and type of epoxi resin, maybe fix a downtube or a chain stay close to the aluminum piece that holds the hub (With time and use they start to separate and need a rebuild)
Cheers mate!
Where to find perforated heat shrink tape? Awesome vids man.