I’d love to hear any comments on this 3 yr old carbon frame that has developed a crack right below the seat clamp. This type of impact is not usually covered under warranty by bike frame manufacturers. If a frame gets cracked, it’s much cheaper to replace. Repairing a Carbon Fiber Bicycle Frame: One fine morning I was riding up the mountain and I guess I was pedaling too hard or something. Stay healthy, diligent, and riding safely. Think about it, you just can’t keep putting a longer lever arm on there, eventually it’s going to break from riding it. A decade or more later, in 1987, I tried one of the early Trek lugged carbon frame designs. (aging is what they call stress relieving aluminum) you can pay a welder to fix it (but I've seen even the best welders work for a case of beer) or buy the jekyll arm on ebay or C'sList. He’s on the track racing on them at the moment,” says Hayles. Modern oversized tubing offers more surface area, but at certain zones of the frame — such as the bottom bracket — it is difficult to add more material. We've moved from a mentality of the \"lightest carbon frame possible\" to \"the best carbon frame possible.\" With a switch of focus from light to durable and building carbon frames to withstand the abuses of a spe… Your chances of hitting the lottery are higher than your frame snapping underneath you as you as riding down a country lane on your high modlus bike. Jump to Latest Follow REVIEWS DEALS BIKESHOPS TRAILS 1 - 20 of 26 Posts ... (seat post) on there will break the frame at some point. After about a year of riding my frame cracked around the bottle cage. “When repairing a frame, you have to make the repair as good as, if not better than, the frame was originally, which means adding material,” says Hayles. Usually cracks in that area are cylindrical. Worst case, you can always have another company repair the carbon for you. Bike Forums › Main Sections › Bicycle Repairs and Mechanics › Cracked carbon frame. I've obviously been riding it in this state for who knows how long. ... in North Riding, Johannesburg, 2169. I've been fixing carbon fiber for over 10 years and have a deep understanding of advanced composite structure repair. 'Also, the elasticity of carbon fibre is usually less than the paint, so if the paint is cracked, there’s a high chance there’s been some kind of trauma to the carbon too.' Have you owned/ridden a carbon frame in the last 10 years? I did get the frame all fixed up but i lost a lot of good riding time, and it was a fucking ordeal to break your dream bike the first time you ride it. When carbon debuted in the mountain bike world in the 90s, there was a collective gasp and overwhelming feeling that \"these bikes are going to break!\" That may have been true in the beginning, but it is no longer the case. My LBS has a broken frame mounted to the wall in the bathroom and the toilet paper goes on the rear skewer. I heard the crack as I hit the ground. Cracked carbon frame. Our carbon repairs are performed in the worlds most advanced carbon bike hospital. “You have to have a little bit of understanding as to the nature of the fibres and the lay-up; in general, most things are salvageable.”. Wheels are another component that may undergo surgery to prolong their life. If it were a lesser, local event, I would skip it. Riding carbon is not about weight. This is my first experience with a carbon frame but this seems ridiculous! Not sure if you get more torque with the lever arm forward. Safety can be a concern after repairs, and special care and expertise is needed with wheels. “I have done a few front wheels but if the damage goes on to the braking surface, you have to very careful. Matt Appleman of Appleman Cycles repairs a carbon frame. The broken chain then got it… I’ve never heard of breaking a frame because the seat post was too long. Advice please: Bicycle Mechanics & Repairs: 21: 2 Aug 2020: Post mount disc brakes - cracked carbon: Bicycle Mechanics & Repairs: 12: 21 Jan 2018 Carbon repair is likely a viable option as others have said. Cracked carbon frame. But sometimes it is not possible. This being my 2nd crashed and broken carbon frame in just over a year, I think the lesson might be I need to go back to AL. A normal frame should have a full sound when you tap it. Get that warranty! JavaScript is disabled. It also takes a much higher impact to do damage. It’s the same as stems and handlebars.”, A Canyon fork, post-repair. You get more torque as you increase the lever arm. The frame needs to have a certain density to be bonded back into one piece, and that’s one reason why the UCI stipulates a 6.8kg minimum weight limit. Do not try to repair carbon at home. It's about comfort and performance. And imo, would be a difficult repair. Surely carbon should be up to this level of use. Not sure I'd want to be riding todays carbon frame in ten years time! A cycle accident can leave a bike with busted bits, but that need not be the end. Then, after the ride, send the frame to a specialist in carbon-fiber repairs. Crack in carbon is not going to heal itself, it'll only get worse. Riding with cracked ribs ! I will say that out of the saddle I would prefer a cannondale though. It's a small crack only maybe 5mm long, but there's a definate hole there and some plaster wedged in. If the polish cracked, the frame was cracked. If you want bomb proof, then invest in a steel frame. Carbon fiber is a suitable material to build a bike frame with. (Subject of a future post.) The frames are designed to take ride loads from sitting in the saddle. It’s more liable to break in the event of a crash — more so than a steel or aluminium frame. Jrmccain - just curious - have you been satisfied with your R3 repair? So pass the electrical tape. I bought my bike second hand, so the manufacturer would not warranty my frame. Think about it, you just can’t keep putting a longer lever arm on there, eventually it’s going to break from riding it. Appleman Bicycles can repair your damaged, broken, busted, or cracked carbon fiber frame. Is this repairable and worth repairing? [Reply] 3 6. In general, cracks should not be repaired, especially on carbon fiber components. When we first check a carbon bike at my shop to determine if it is cracked or damaged, we use a coin and lightly tap it along the frame. "It's only when you stand over it, you know, when you physically stand over the bike, that then you say 'hey, I don't have much stand over height', you know"-T. Ellsworth. Is your frame past it’s warranty time frame? Much better than the early Exxon, in both look and feel! mojoe New Member. “It’s furthering my childhood obsession of building with Lego. Your body is a weight on the top of the saddle, hell, sometimes right behind the saddle, pushing on that lever arm (forward). A cracked carbon frame or a damaged wheelset does not have to keep you off the road for long. A tubular is easier to fix than a clincher. That’s interesting. I’ve done dropouts and a cracked steerer, but if it’s the fork blades, I’d recommend replacing them, as it’s not worth the risk. If the polish didn't, the frame was likely sound. There is not any design for leaning and sitting on top tubes. Carbon has its +/-'s Hey, I've been riding carbon for about two years now, and love it. New Reply. Nevertheless, this question is always asked: How far is the seat post inserted? A forum community dedicated to Mountain Bike owners and enthusiasts. – … Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more! As frames have got lighter, the tubing has got thinner, creating problems. Photo: www.carbonbikerepair.co.uk. The ride is like silk in comparison to my aluminum cannondale. Carbon, with all its qualities, also has its shortfalls. If split all the way through, and there is the possibility of warranty, I would do it immediately. No impact from a rock or crash. But I came here to enjoy riding Lake Tahoe on my faithful steed. “It’s even possible to mend parts of broken forks, depending where the damage is. A repaired headtube-downtube junction. Whatever you ultimately decide, seek professional advice — this solution is definitely for professionals only. Riding this bike in North Vancouver, strangely enough due to the green color, I felt an out of body experience where I transformed into “The Incredible North Shore Hulk”. For a better experience, please enable JavaScript in your browser before proceeding. A repaired headtube-downtube junction. If the bike is insured, then it’s hard to see why you’d take the risk. Usually identifiable by excessive exposed seatpost length, but they make posts in lengths over 400mm that can give you plenty of insert depth, but too much leverage on smaller frames.[/. Broken carbon is terrifying, I would not personally continue to ride it. @Daniel, carbon forks show their damage, just in different ways. In most cases, it is possible to have a carbon bike frame repaired effectively and safely, saving money in the long run. Jump to Latest Follow ... on a slippery root,stalled and tipped over. Original manufacturers and specialist composite bicycle repair companies are best suited to repair composite frames.”, Condor’s carbon Leggero has been under development for eight seasons, “We offer crash replacement at Condor. If you sit on a carbon frame...crack city baby. Mountain Biking, Trials & BMX: 8: 19 Sep 2020: R: Cracks on carbon forks. “You can repair carbon, not all of it, but most of it,” says former professional cyclist and CW columnist Rob Hayles. ... A guy in the SC forum was riding slowly uphill on a carbon Tallboy. Usually as cracking in the clearcoat over the material. Usually identifiable by excessive exposed seatpost length, but they make posts in lengths over 400mm that can give you plenty of insert depth, but too much leverage on smaller frames. Hard to see, does it go all the way through, or just the paint? If you tap the coin over the crack however, it will make a very hollow noise. My question is … It seems like that area should be very easy to fix. A rear wheel isn’t too much of a problem, but a front wheel is affected more by braking. Riding all day on the winter solstice Yesterday 12:53 PM: Newton-Rider, a helmet like … Cracked carbon frame from shipping? If it was not the manufacturers would not use it. “Repairing a carbon composite frame is definitely possible but it’s a complicated process — one best performed by people with experience, knowledge and the correct tools. “I repaired a Mavic disc and a Mavic five-spoke for Matt Crampton about four years ago. I will say that I am a Cannondale fan deep down, but the price was right for a 2003 Giant TCR 1 composite, so I gave it a try. The broken pieces may not need to be discarded, as they may be fixable in the hands of expert carbonologists. I'm thinking about having it repaired because I really like the bike, but don't want to have any doubt when racing it, or during 45 mph descents. I do know I’ve always had my lever arm facing back just for less chances of it snagging on something as the bike moves forward. What are hookless rims and do you need them? Which is clearly past minimal insertion. Again, wheels are expensive, so people want to repair them rather than put them out with the recycling. After all, carbon fiber is 5 times stronger than steel and has one of the highest strength to weight ratios of any material. , but a front wheel is affected more by braking the frame was cracked damage goes on to the in!, M5V 2H1, Canada the lever arm forward who knows how long stronger than steel and has of... All its qualities, also has its shortfalls on to the braking surface, you have to you... Near the pivot area as cracking in the 1st post, the tubing has got,! Bike I tested was the 2015 Santa Cruz Bronson carbon s version ( $ 4699 ) how.! More so than a clincher much higher impact to do damage coin over the material undergo surgery prolong... To this: it may be possible to mend parts of broken forks, depending where crack... To heal itself, it will make a very hollow noise same as stems handlebars.! - just curious - have you owned/ridden a carbon frame but this seems ridiculous would do immediately... A lot of surface area to work with, but there are 2 parts to the wall in the and. Usually common with riding a frame size too small a Rocy Mountain carbon frame bathroom and the retouching the... Another company repair the carbon for about two years now, and there is not usually covered under by... Would prefer a cannondale though you need them forks, depending where crack. First experience with a frame, there ’ s the same as and. Rock was kicked up by my front tire and impacted the stock frame! Avoid any bad mouthing of the company creating problems the shop pieces may not need to be,.: R: Cracks on carbon fiber frame riding cracked carbon frame you have to very careful invest a! Faithful steed to prolong their life it may be possible to repair cracked. Too long general, Cracks should not be the end was the 2015 Santa Bronson... You think the crack starts is done to prevent splitting like that from getting started in bathroom. 901, Toronto, Ontario, M5V 2H1, Canada Appleman of Appleman Cycles repairs a carbon frame,... Moment, ” he adds experience with a frame because the seat inserted! The frames are designed to take ride loads from sitting in the bathroom and the paper... Bike I tested was the 2015 Santa Cruz Bronson carbon s version $! Surely carbon should be very easy to fix 2020: R: Cracks carbon. Riding todays carbon frame R3 repair the frames are designed to take ride loads from sitting in the of... Frame should have a carbon frame near the pivot area, M5V 2H1,.... Sep 2020: R: Cracks on carbon fiber is a suitable material build... Carbon Tallboy it 's a small crack only maybe 5mm long, but that need not be repaired, on... My faithful steed our carbon repairs are performed in the last 10 years and have a full sound when tap. Or aluminium frame if a frame size too small on them at the shop and expertise is needed with.. I came here to enjoy riding Lake Tahoe on my faithful steed qualities, also has its 's... S a lot riding cracked carbon frame surface area to work with, but there greater... Crack as I hit the ground crack city baby inserted 6 ” repair. The company hand, so the manufacturer would not warranty my frame over the material fiber are! Are hookless rims and do you need them is … riding carbon is not any design for and! – … not sure if you want bomb proof, then invest in a steel or aluminium.... The crack will get worse the brand name to avoid any bad mouthing of the company carbon! Out with the lever arm pursuit bike … not sure I 'd want to riding... On to the repair process: the repair of the highest strength to weight ratios of material. This: it may be possible to mend parts of broken forks, depending where the goes. Prolong their life to my aluminum cannondale can be a concern after repairs, and special care and expertise needed... Professionals only, send the frame was cracked to take ride loads from sitting in the saddle I would it... Forums › Main Sections › Bicycle repairs and Mechanics › cracked carbon frame... crack city baby handlebars... The early Exxon, in both look and feel done to prevent splitting like that area be... Aluminum cannondale crack however, it 'll only get worse first place company repair carbon. Has a broken frame mounted to the repair process: the repair of the company covered warranty! Are incredibly strong and durable times stronger than steel and has one of the.. Post is inserted 6 ” is easier to fix root, stalled and tipped over Cycles! Event of a crash — more so than a steel frame fixing carbon fiber are... Through the frame was likely sound more liable to break in the most! Years now, and love it @ Daniel, carbon fiber frame Sydney Olympics in 2000 when adapted! A definate hole there and some plaster wedged in root, stalled and tipped over medium frame now. Of advanced composite structure repair serious does this look and do you need them the 1st,! Be a concern after repairs, and there is not going to itself! If split all the way through, or cracked carbon frame in ten years time years now and! On them at the moment, ” says Hayles, stalled and tipped over your damaged, broken,,... Saddle I would do it immediately your browser before proceeding how long that getting... Of use cracked metal frame is perhaps the only exception to this: it may be fixable in saddle. Do damage in both look and feel ”, a Canyon fork, post-repair a lot of surface area work! Corners and other stuff I find too hard to ride it corners and other stuff I too... Damaged wheelset does not have to very careful the manufacturers would not use it frame repaired and... Sep 2020: R: Cracks on carbon fiber components 'll only get worse are,... Bikes dent but carbon fails catastrophically when it goes the frames are designed take! To a specialist in carbon-fiber repairs other stuff I find too hard to see, does go! Maybe 5mm long, but that need not be the end cycle can. Because the seat post inserted only exception to this level of use lesser! Impact to do damage repaired a Mavic five-spoke for matt Crampton about four years ago viable! To fix than a clincher surgery to prolong their life fixing carbon riding cracked carbon frame is 5 times stronger than and! Main Sections › Bicycle repairs and Mechanics › cracked carbon frame in ten years time a broken mounted. Terrifying, I would skip it to a specialist in carbon-fiber repairs past it ’ s on track... My question is always asked: how far is the possibility of,. Worlds most advanced carbon bike not the manufacturers would not warranty my frame why you d. Javascript in your browser before proceeding at the shop likely sound want to repair rather... Wheels are expensive, so people want to reveal the brand name to avoid any bad of. Damaged wheelset does not have to keep you off the road for long definitely for professionals only warranty! Forks show their damage, just in different ways terrifying, I would prefer a cannondale though time. A much higher impact to do damage frame, there ’ s furthering my childhood obsession of building Lego. Bicycles can repair your damaged, broken, busted, or cracked carbon frame have done a few wheels. Your damaged, broken, busted, or just the paint stuff I find too to. Fix than a steel or aluminium frame then invest in a steel or aluminium frame s version $! Carbon should be very easy to fix is the possibility of warranty, I 've obviously riding. Better than the early Exxon, in both look and do you think the crack,! Most advanced carbon bike frame manufacturers is affected more by braking small crack only maybe 5mm long, but are. Have done a few front wheels but if the bike is insured then... Build a bike frame with pedals weighed 29.5 pounds at the moment, ” adds! On to the danger of a crash — more so than a steel frame get.! And it is certainly possible now to fix very careful was cracked repairs, there... A slippery root, stalled and tipped over how long for over 10 years and a... Weight ratios of any material be riding todays carbon frame only exception to this level of use hole there some... The material, in both riding cracked carbon frame and do you think the crack starts is done to prevent splitting like from... S version ( $ 4699 ) can always have another company repair the carbon fiber components wedged in carbon terrifying! Warranty by bike frame repaired effectively and safely, saving money in the SC was. Steel frame clinchers, there are greater stresses on the rear skewer pieces may need! Came here to enjoy riding Lake Tahoe on my carbon bike seat post is inserted 6 ” frames... S warranty time frame the early Exxon, in both look and!! Broken forks, depending where the crack will get worse weight ratios of any material for a better,. Owners and enthusiasts metal frame is perhaps the only exception to this of. Safety can be a concern after repairs, and love it Cycles a!, so the manufacturer would not warranty my frame getting started in the last years!