How to fix a CRACKED bike frame! // Paul Brodie's Shop
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- Äas pĆidĂĄn 24. 05. 2023
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You're looking in great shape Paul! Happy to see it!
Thanks Mathis!
Great to see you getting your strength back paul. Thanks for taking us for another day out at the shop!
Thanks for hanging out in my shop. We appreciate it :)
You're looking well, Paul - great to see!
That was my first thought, too! Hair is back and the energy as well. Great job and video, thanks Mitch, and this framebuilding is definitely art ! Love to see you, take care and have a nice evening.
Yes, makes us all very happy!
"this is my seat stay fixture... its even written on there..." had my heart smiling.... another great video Paul and Mitch!
Thanks Jake!
You can see the dents because your a trained expert and someone eons ago enlightened your mind to look for the unexpected. Your looking wonderful Paul, bless you we all get a lot of pleasure from your videos and we are all sending our very best to you and that camera man of yours. Bless you buddy.
Bryce New Zealand
Thank you Bryce. Appreciate your comments...
Rescuing something thatâs old but good is always worthwhile. Thanks for the video Paul (and Mitch!). Les in UK
Thanks Les. Yes, that repair turned out nicely :)
Hey Paul, great to see you are looking better. The hair is coming back. Love your videos even without being a machinist and only fiddling around with my bikes.
Yes, a little stronger each week... Thanks.
Hey Paul & Mitch, another great demo on frame repairs done exquisitely! What a great teacher! And I'm so happy to see you looking so well, Paul! YES!
Thanks Tom. I am slowly getting better. This was a fun repair to do.
Wow, you look a lot better! And your energy level is great! So nice to see!
Thanks Daniel. I am trying very hard to be healthy!
Beautiful quality work as always Paul, you looking well
Thank you Ian :)
hey, your hair are back! Great!
Yes, it makes me happy!
I agree with other commenters! You are looking a lot more like yourself, great to see!
Thanks Chris..
Hello Paul, watching you work at these repairs is simply marvellous. Your control exercised during heating and brazing is spot on. Beautiful to watch.
Thank you again for the videos both you and Mitch.
Best wishes Kevin.
Thank you Kevin. I do need to keep my hand in so that I do not get out of practice :)
The trained eye of the master craftsman, thanks for sharing your knowledge and skills đ€©
Thanks very much :)
@@paulbrodie during the motocross season it's difficult for me to get the time to watch your videos, but every time I watch a Paul Brodie video, I learn something new. I am very grateful to you for sharing this knowledge and information, and the personal reply is great touch of class, not only a master craftsman, but also down to earth, thanks PB đ€©
@@martinslennon Thank you Martin. Appreciate your comments!
LOL, it was 'fluxed up' but you fixed it.
Bit 'brave' wearing a white shirt in workshop, I couldn't do that.
Nice to see you looking well.
đ Thanks.
The late 80's and early 90's was the era for 130mm for your 7spd hubs and 135mm for your 8spd. Eventually 7spd hubs became 135mm to match. Prior to that was 126mm for your 6 speed hubs, and 120mm for your 5 speed.
Road bikes differed in that they used a 126mm spacing for 6 and 7 speed.
The 80's had some of the coolest mountain bikes, but those hyperglide cassette hubs in the 90's were a huge improvement. My boss said his old shop had a drawer full of left-hand Campagnolo dropouts. All the right hand dropouts were used to repair bikes with broken or bent axles...
Alex, thanks for watching and commenting... I'm not sure how the RH dropouts were used to fix broken or bent axles!??
@@paulbrodie The bent or broken axles from old bikes with freewheels would often cause a failure to the RH dropout too. Campagnolo dropouts were quite delicate and fine from memory. My boss would often replace an axle and the RH dropout at the same time...
Hi Paul, Hope the medical treatments are healing you like you healed this bike frame!! Your patient explanations and skillful craftsmanship are a source of healing and calmness for us all. Thank you.
Yes, I have started a new chemo pill. No side effects so far.. Thanks for liking our videos..
I wonder if I wear a white shirt in my shop will I be as talented as Paul? Who am I kidding? I would have a gray shirt in 2 minutes and have fillet brazes to match. As always Paul, nice work. After all these brazing videos I might have to give it a try. Glad to see you back in the shop.
Thanks. The white shirt was to try and show off my tan...
That's a jewellery artwork thank you for sharing your skills with us
Thank you Pascal.
Nice repair, probably stronger than new. đ
It is a good repair, thanks..
1) thank again for another great video
2) looking great ? Happy to see you on the road to your "old" self . Old not meaning age đ !
3) 9:50 "smells like electical" that's pretty much par for the course with bosch cordless tools.. the drills smell like burning and the impact drivers sound like they are tearing themselves apart! Brand new right outta the box đ
Thanks James :)
Fantastic channel love watching your skills Paul. Big fan from Scotland.
Thanks George. My ancestors came from Scotland!
Just beautiful - steel is real - and this is why. Great intel as well, now I know why manufacturers switched to machined/CNC drop-outs. Cheers Paul!
Thanks for watching..
đđđ Paul, youâre looking strong đđđ
Thanks. Maybe it's Mitch's videography?
Paul, you are a superb craftsman mate. By the way best wishes with your health. Bob UK
Thanks Bob. I am still trying to gain weight...
Hi Mr Brodie,,, Iâve taken a frame apart just to find out how they are put together ,,, now the math, welding begins with unprofessional welding machineâŠâŠyour tips are a great asset ,,PS you are looking greatâŠ
Thank you. It is a bit unusual to take a frame apart and then put it back together. I wish you the best!
I broke a Raleigh frame at the drop-out, after 11years of ownership. They replaced it free of charge, as it was still within the 12 year Warranty. They gave me a black one instead of the white and yellow one that I had. They said all replacements were only in black. I have also repaired motorcycle fuel tanks with pin holes, using 60/40 solder, and a big copper soldering iron. Best regards from N Wales..
Hello N Wales. Thanks for commenting.
i can see why you were a successful teacher Paul you explain things perfect to understand, great work
Thank you. Very nice comments :)
Hey Mitch. Really superb camerawork on this one. Hi Paul. Not sure if you saw the bright orangey red ClimbMax that Rob had in his collection at the show, but it's most likely going to be mine when it's built up. I bought a black one new in 1990 and have been looking for one to replace it now and then. I'll need to locate a 1 inch Gatorblade for it, which will be a challenge. I'll make sure to show it to you at the September show.
Congrats! Yes, Mitch just keeps on getting better.... How is that possible? See you at the next show :)
Beautifull repair Sir , glad to see a new video
Thank you Jorge!
It's been a good week, new video and my co-worker came back to work today, after being one year away due to his cancer treatment. Thanks Mitch and Paul for the great content!
Thank you Tarou. Glad your co-worker returned. There is a lot of cancer around...
Love the Alan Millyard tribute at 4.35!
I like Allen. I want to have a cup of tea with him one day....
@@paulbrodie - and one of Tracy's cupcakes!
@@philipbarrett3151 I would probably pass on the cupcake. Too much sugar for a diabetic...
The skill Paul!
I have had a few years of experience, that is for sure! Thanks for watching....
Looking good PB!
Thank you.
Soooo good, thanks Mitch and Paul. So glad to see more mtb content. I have a bunch of questions that would make good mtb frame building content.
Thank you. So you have questions, eh?
I love learning about the repair of a steel frame. Your down to earth logical explanations and all the tools and skills you've developed over the years are great. It makes me want to have you build me a frame! Thanks for sharing.
Thanks đ
Superb video, glad to see you looking well Paul.
Thanks Carl, glad you liked it :)
Great vlog thank you .
You're looking better very well done .
Thank you John :)
Paul is like Michelangelo with that tiny belt sander!!!
That's a very nice compliment, thank you :)
I'm so glad for you,you looking healthy,your content is a true treasure
Thank you very much...
Pure artistry!
Thank you Dan :)
Hi Paul, I can see that your hair is growing back !
That' s a good sign and I am glad to see you recovering, the rest is not so important.
Great video !
Thanks so much. It's good to have my hair growing back :)
Reduce, reuse, recycle, repair. Well done Sir!
Nice compliment, thank you..
This video was full of energy. Top craftmanship !
Thank you very much!
Well done Mister Brodie đ
Thanks Samuel...
Wonderful work. Wonderful video! Thank you!
Thanks Larry!
Your fabrication skills are to be admired. đ đ
Thank you Salvador!
Great job Paul.
Thank you Robert...
Looking good Paul. Thought at first, i was watching a vid of a doc in action. LOL, however, you are a doc of engineering. So white suits U. đ
Thanks Fergie. The white shirt was supposed to help show off my tan :)
Great work, Paul. It's so nice to see you getting better and better....You're looking strong. Great to see.
Thanks Marty. I am doing my best to be healthy and to stay out of trouble...
Great job Paul đđđ€đ€
Thank you Karl !!
Awesome video. I so need this done, please, Paul!
Thanks for liking our video.
So good to see you back in the shop working your magic on old steel frames.
One question re the rust repair - how likely is it that tube has been compromised in other places by tin worm, and how could you assess that ?
Thank you. It is quite likely that the tube has been compromised somewhat from rust. Replacing chain stays is not cheap, so it often hinges on the owners' financial situation. Years ago these bikes were raced, but now it's far more likely to be in the hands of a collector who will never ride the bike hard. All these things are considered when deciding on the type of repair...
Another fantastic video! Thanks!
Thank you James!
Lovely stuff!
Thank you :)
Great job, I'm impressed
Thank you Marcel...
Thanks!
Awesome very precision Great Mr. Paul! đhave a Quality Works đȘ
Another great, informative video. Looking good, Paul!
Thank you Jared...
Nice work as always Mr. Brodie! And Mitch good work behind the scenes.
Thanks Rick. We appreciate your comments!
I agree with your electric drill observation, I have an even older Black and Decker C1981 which is still going strong.
Hi Paul, great to see you in better shape. All the best! marvelous work! đđ
Thanks Tim :)
Master at work!
Kind words. Thank you :)
Very nice work
Thank you Jefferson :)
The best welders I have seen always started out perfecting brazing skills. After brazing I always encouraged gas welding which after mastering, almost instantly made you able to tig weld successfully.
You might have a point. But you do have to learn to use a foot pedal (usually..) for Tig welding...
lovely work as usual
Thanks Bruce!
gorgeous repair
Thank you very much :)
Beautiful.
Wonderful work. Thank you for your way of teaching us frame repair.
Thank you :)
Another great video Paul and Mitch, so cool to see your doing well!!
Thanks Rob!
Looking good the bike frame and you Paul , can see the difference every episode đđ
Cheers Chris
Thanks Chris. I still need to put on more weight :)
Loving the bike repair videos, really interesting AND inspiring, has me thinking more and more about trying my hand at doing some work on a metal frame or even trying my hand at building one. BTW hair's coming back nicely Paul :-D
Thank you. Yes, start with a junk frame to get some brazing practice. That's what those frames are good for :)
Good to see what go's into making a frame, an Great to see your looking stronger every time look forward to the next episode.
Thank you Mark...
Always a awesome story in every video.
Thank you.
Thank you for sharing this excellent repair video! Great work and also beautiful details in the filming.
Vlad, thank you very much!
Thanks
Great Video Paul - Makes me want to braze random parts together this weekend.. Your looking great also!
Thanks Vince. I'm told that brazing can be very therapeutic :) Have a go!!
Wish i could braze like that wow perfect!
I kept on practicing for a long, long time :)
Hey Paul, it nice to see you are looking like you are on the mend.
Best wishes , thanks for all the great content..
Yes, I am mending. Thanks Marcel :)
Itâs like you done that before ! brilliant as always, and itâs nice to know youâre drill is the same age as me, fine vintage đ
Yes, I have done that repair a few times. Thanks for watching!
5:09 Torch in hand...welding goggles on... "Y'ain't gettin 40 bux an hour, pal..." Laughing my ass offđ Just the look on Paul's faceđđ
Thanks Cliff. Glad I helped to make your day :)
Hello from British Columbia Canada
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Hello BC! Hope you are well :)
@@paulbrodie thanks back yes
Nice job paul.
Thank you Rudolfo!
Great job !! Looking good also brother !
Thank you brother!
@@paulbrodie you are cherished kind sir.
@@thinkpadBentnoseTheBlind Thank you very much. Appreciate it....
Looking good
Thanks Craig :)
great video ,,
Thank you Tom :)
thats a good fit
Yes it is :)
Great repair I wonder what Tom Ritchey thinks every time you use his old belt sander?
Thanks Doug. I really do not know what Tom thinks..
The master at work----would you please provide the composition of the Nickel/Silver you are using.
Send me an email and I will see what I can do.
Nice video! But all the time I was wondering what about the rust *inside* the tubing?
Thanks. That rust has been there for many years. The bike will probably not be raced or ridden hard, so as a collector frame I think it's ok to allow for a little rust.
17:44 - I now think this every time something fits in to something else perfectly..... đ€Ł
And that belt sanding at the end is amazing, You're like an artist or sculptor w/ that thing.... I'd love to see a small piece of artwork made of all the angles and bends of a bike frame but in a small desktop sculpture, that would be awesome.
Thanks. Yes, I do like using my belt sander to help create curves and more. I do like your idea of a small sculpture!
@@paulbrodie - Thank you, I'm glad you like it.... I was thinking of a piece about 6-8 inches tall and about 10-12 inches long but w/ all the full size parts like head tube, seat tube, bottom bracket and dropouts but the connecting tubes would all be only a few inches long so all the brazing and curves and stuff are all the same as they would be on a full size bike. I think it would be a good way to test students as well.... Now I want to do that as practice whenever I can get a welder and get back into it. đđ
@@xpndblhero5170 I did get my students to build a "baby frame", not very sophisticated like you are describing. Not teaching Framebuilding 101 anymore...
@@paulbrodie - That would be pretty cool, I'd love to see a small frame bike or maybe a Paul Brodie Rocker.... That's a small kids size BMX bike for adults w/ fat tires. đâ€ïž
@@xpndblhero5170 Don't hold your breath... I am busy these days...
Recently begin to learn brazing in a small poor bicycle store and doing the same technique with holes when making steerer of the fork longer (or shorter). But without the lathe of course its very shaky fit of tube, that goes inside of the steerer. Was guessing if the tactic with the holes any good and happy to see, that yes :)
Yes, you need a lathe to machine the inner tube for a good fit. Otherwise, it is truly a sketchy fix! Be careful. Not sure what you mean with the holes?
@@paulbrodie I meant that I was made few holes in steerer (only where I have a sleeve inside) to make sure if brass penetrated enough and as additional "windows" to feed brass in.
btw if I was making it using lathe, how much tight sleeve should go inside the steerer? Because I assume there shouldn't be press-fit - brass just won't go inside. And if my previous statement is right - what do you think - let's say in the case of press-fit: does it makes any sense to cut some groves along the outer side of a sleeve to make "channels" for brass?
@@isaacrosenberg3795 You said you were using brass... I never use brass on a frame, I always use either a bronze brazing rod, or nickel silver. I don't feel that brass has a lot of strength. I would only Tig weld a steerer tube. I don't think that brazing is the best way to extend a steerer. I understand your questions about fit, holes, and grooves, but I would not do it that way. The reinforcing tube should be "size on size" with the ID of the steerer. That's where the press fit comes from. Good luck.
@@paulbrodie Thanks for sharing experience and nice that you have time to read a comments!
Probably we using bronze, it could sound funny but a hard situation with languages here, Im a new immigrant and my eng is far from perfect, but eng of local guys in hardware stores is also, so, I actually just hope that we use bronze, not brass.
Good news is that I left that DIY store that masquerades as a bicycle shop and still have experienced friend to learn about brazing from.
@@isaacrosenberg3795 Isaac, thanks for watching and commenting...
I am loving your videos.
I was wondering why you used thicker wall dom and bored it to a thinner wall thickness, instead of starting with a thinner piece of cro-mo, or use a thicker cro-mo piece to do the repair?
Thank you Kirk. 4130 is not available with thicker walls, usually only thin wall, and is quite expensive. It's just a LOT easier to use DOM...
Nice video Paul, are you back fighting fit ?
Thanks David. No, I am not 100%, but I am still here...
@@paulbrodie Good to hear.
Hey Paul, you look great, Iâm guessing youâll be filling us with educational videos 30 years from now. To repair stripped threads in a derauiller hanger without replacing the dropout, have you ever used a threaded insert like a Helicoil? Or another way is better?
Thanks John. We will make videos as long as we can. I'm not a real fan of helicoils. On a steel frame I would weld on another hanger...
I have a 1975 Schwinn Paramount which I bought new. It has a Reynolds 531 double butted lugged frame. Do you consider that a good quality frame? I think there were two ladys in Chicago that braised them back in the day. Thanks Tom G.
Hi Paul & Mitch, Thanks for the greatclips. On a matter of design, this particular frame has the brake bosses underneath the chainstay. I've never seen this approach before. It appears to be a little on the non-conformist side to me. Wouldn't having the brakes in that location expose them to additional, mud, grit, etc.? Paul, best wishes for your recovery. Kind regards Greg
Thanks Greg. In the mid-eighties, quite a few frames had U-brakes mounted under the chain stays. We rode in the mud, and they still worked fine...
Hey, my columbus slx seat tube (from a very nice bike made in 1982) broke in half in the middle part, and this video gave me hope that maybe it could be fixed with similar type of internal sleeve brazed in. It most likely broke because I weigh 115kg. Do you think it's worth doing? Or should I switch to more heavy duty bikes?
That electrical smell from your cordless means that the drill windings overheated, which causes the insulation to crack and grow dimensionally, which causes it to rub against the windings as you use it. This creates that smell, which gets worse the hotter the drill gets. A more durable brand for a real workshop (vs a home shop) would be something like Milwaukee. Maybe you could get them to sponsor you and give you a free one.
That sounds like a great idea! Yes, I am disappointed with the Bosch cordless. I really haven't used it that much, or very hard. I might take it back to see what they say...
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