Cyfac Carbon | Custom Carbon Fiber Frames
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- เผยแพร่เมื่อ 5 ก.พ. 2025
- This video demonstrates Cyfac's carbon stratification process using a combination of Kevlar, Taffeta, 3K and 1K carbon weave. All Cyfac frames are hand-built in the company's Loire Valley factory in the French countryside.
You make carbon fiber stratification looks easy.
Jeez people give the guy a break. I may not be the hugest carbon guy either but someone sharing a short video of a custom assembly doesn't deserve to be shit on.
Everyone's a critic.
@baralah Most brands have moved to the "buy" instead of "make" approach and don't actually construct their own products at all. Instead, they go to Asian suppliers who have either open-moulds or proprietary moulds which they then use to make the mass-produced varieties of frames in monocoque fashion. Cyfac is largely focused on custom and well-tuned framesets so having someone else make our products doesn't fit this ethos. We control the design, the fabrication, and the finish.
@baralah This is actually "tube-to-tube" construction. It differs from lugs in one important way - there isn't the set angle that lugs dictate so the ability to set custom geometry is unmatched (just like you'd do with a cut and mitered metal frame). Additionally, our construction method here requires the use of carbon stratification at each tube intersection - this gives the chance to change that lay-up in terms of the material, orientation, and amount to "tune" the frame for each rider.
Good Work!
Good job of metal bonding thanks for sharing.
Is a vacuum process done, or is that not necessary? Seems like it may be kind of challenging considering the shape.
Just curious if it’s not done or if it’s done in a later step. Just seems like everyone doing structural glassing that is weight dependent does vacuum bagging
I've the same question...
Beautiful!!
I think you can see the performance of our frames and the satisfaction of our clients to know that Cyfac frames have the highest reputation for quality and durability. If you follow closely, you'll see that Kevlar adds a layer of durability that no other builder is providing.
Interesting to see this process. Can you tell me, how do you prepare the weave so that it doesn't fray to shreds when you lift it off the table or during the brush application ? When i try to do this using such narrow strips of the fabrics inside my molds, the weave will just end up entirely messed up. Is there a trick?
Please forgive my ignorance, but may I know why exactly the kevlar strips are used underneath the carbon fibre strips? Could it not be just multiple layers of carbon fibre instead?
The metal bb shell is actually covered with kevler initially...
Really interesting. So the tubes are preformed carbon fibre? What's the black gooey stuff that's put on the joints before the additional reinforcement is added? Is it simply epoxy glue? Doesn't that add to the weight, or is it special stuff? So many questions!!
i am not sure if the bike can withstand the heavy pressure. The design only use super glue to bind the tubes together and that is not strong enough considering the weight and constant bumps that the bike may ecnounter on the road. It just may split to pieces.
How do materials hold up against impacts on tubing? And how strong are the joins? Could a street bmx frame be made like this?
in the epoxy tacking process is that a clear epoxy or is it mixed with other materials too ?
I am scared.. what is the point of the kevlar carbon composite. what is the modulus difference between that and your carbon weave?
nice to see them being built these works of art!
I was wondering what kind of glue is to support all the stress!
Ascolta
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My kids think i'm playing plant and zombies because the music lmao
please correct me if I'm wrong. Most manufacturers have moved away from this 'lug-to-lug' construction, is that correct?
That is some shotty ass work.
@nadoeloiskat most handmade bike frames, unless built for pro-teams or collectors (Which can turn a huge profit per bike, $10k-20K per unit) never really turn a huge profit margin for the builder. Added component parts generally can give the builder a profit on markups.
How much weight can a carbon stratified joint support? Is there metal already inside of the joint or was that part just sitting in place being wrapped in carbon fiber?
0:48 Completed Main Triangle
Nicola Piovani - La Vita è Bella
Thank You for reply. Do you make MTB frames maybe a video for MTB frames would be nice to see. Custom frames..like a sewn suit. Luxury we all need :)
How do you vacuum bag that crazy angle
Someone the track name PLZ that starts 1 min and 20 sec that bassoon sound so totaly french so good jst like the the frames slick and simple but GREAT. Cyfac tell us the track name PLZ.
Does not look tuff enough joints right?
nice to see what looks to be old school building.
I wonder how these frames compare to the asian counter parts.
Hm yes...With Lightweights?
what material ar the frame tube?
art work in motion
Lightweight went out of business?
What type of glue are you tacking the tubes together with?
I bet it fails fatigue test in 5 minutes and pressure test after applying few Newton force...
so.., why put a kevlar/carbon layer down first, when about all the good it's going to do is add abrasion resistance.. if you want kevlar anywhere surely it'd be on the outside...
Hello this is Chef John and Welcome to Food wishes food video recipe...
ahahahahah...
I saw a video in which one company actually makes bike by your body size, so they measure your shoulders width hand length etc. like a suit.
Does anyone knows the track that starts at 1:22 min :D like it a lot.
PLZ tell me the track name :D.
Do you build motorcycle frames?
The Best
Damn.. now I see why carbon fiber frames cost soooo much more than aluminium :o
Sucks however that they don't show all the rest and videos about carbon factory seems non-existant.
I bought bmx have same,guy explain me due tricks jumps slides my frame bottom will be safe and stronger,looks great
La Vita è Bella - Il Gioco Di Giosue
Any Redlettermedia fans out there?
Wow this is the reason why carbon fiber frames are too expensive
You certainly aren't talking about Cyfac!
I now know why carbon frames break at the lugs ! They are held together with black paint ...lol
Why not lose the ANNOYING music and describe what you are doing in the video?
People are here to learn, not get some tunes...
carefull what you wish for.. he's french remember... you want to hear a french guy speak english?? bweheheh
Why don't you mute the video though
fighter planes use the same materials for their construction.
ok . . . la vita e bella
Bikes did´nt get cheaper because production was moved to China...So who´s the winner here?.Not the customer for sure.Btw Cannondale are made in Taiwan.Huge differrence!
This is the reason why carbon fiber is too expensive
hello, this time on food wishes...
Herion music! Nice work, bet your bike is strong. I might put skim coat of hysol on aluminum bb for a day before layup. I like the kevlar/cf or innegra/cf too. Thanks. Dont pay attention to the dick w/ears that have never worked with cf for years.
Thats innegra and twill. Thanks
Epic comment. ; )
Would you like carbon fibre wth that resin 😂
You are putting aluminum bottom bracket in direct contact with the carbon fiber. The plastics reinforced with carbon fibers can induce galvanic corrosion in attached aluminum structure. not a good idea. Wrap a layer of glass over the BB, will ya.
No, currently we don't. But, maybe we could! Contact esakalowsky@cyfac-expert.fr and maybe we can help.
No wonder carbon fiber frames are expensive...
This video only shows why carbon fiber frames are more expensive than others
Thank me later.
I ride one. Until you do, you won't get it. They are not like other bikes. It's nearly 5 years old now. And I still can't find anything to compete with it. But yes, the music is shit.
Dude they are definetly not the same!.Taiwan has better skilled workers than what is standard in mainland China.Anyway who profits from all the production moving eastwards??...Not the customers or the enviroment that´s for sure!.
Doesn't it need to be cook and pressurized ? Thats not how real bike are made !
yikes
wtf?its road bike? bull shit ,i want to see mtb carbon frame making!
Give a brake. High Tech with a brush and hand lay up. What a lier.
carbon fiber sucks, the cheapest material to manufacture
Man this guys suck at making bikes, chinese/taiwanese must be laughing for timed consumed