riding cracked carbon frame

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riding cracked carbon frame

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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. “It’s furthering my childhood obsession of building with Lego. A repaired headtube-downtube junction. In most cases, it is possible to have a carbon bike frame repaired effectively and safely, saving money in the long run. Cracked carbon frame. It's a small crack only maybe 5mm long, but there's a definate hole there and some plaster wedged in. 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. 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. 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.[/. Joined: Jun 2012. Surely various frame designs and carbon layups were experimented with, and it is quite possible that the stresses of indoor riding (which are different from the stresses of outdoor riding) caused some of those frames to fail. JavaScript is disabled. You get more torque as you increase the lever arm. I’m 5’9” and 165lbs on a medium frame. Safety can be a concern after repairs, and special care and expertise is needed with wheels. 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… “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.”. If you sit on an aluminum top tube, theres a chance of getting a dent. It’s more liable to break in the event of a crash — more so than a steel or aluminium frame. With a frame, there’s a lot of surface area to work with, but there are limitations. I've been fixing carbon fiber for over 10 years and have a deep understanding of advanced composite structure repair. Stay healthy, diligent, and riding safely. If it were a lesser, local event, I would skip it. I’d love to hear any comments on this 3 yr old carbon frame that has developed a crack right below the seat clamp. It's about comfort and performance. 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. mojoe New Member. Photo: www.carbonbikerepair.co.uk. I heard the crack as I hit the ground. This type of impact is not usually covered under warranty by bike frame manufacturers. Not worth selling it. That’s interesting. [Reply] 3 6. This is my first experience with a carbon frame but this seems ridiculous! Carbon Bike Repair. Have you owned/ridden a carbon frame in the last 10 years? VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Under normal riding conditions, carbon fiber frames are incredibly strong and durable. Wheels are another component that may undergo surgery to prolong their life. Such an invisibly structurally weakened component can then later suddenly fail "just riding along". Usually cracks in that area are cylindrical. Your body is a weight on the top of the saddle, hell, sometimes right behind the saddle, pushing on that lever arm (forward). I should have stated in the 1st post, the seat post is inserted 6”. After all, carbon fiber is 5 times stronger than steel and has one of the highest strength to weight ratios of any material. If you sit on a carbon frame...crack city baby. Riding with cracked ribs ! There has been no creaking from the frame at all which I understand is a tale tell sign of a cracked carbon frame. Matt Appleman of Appleman Cycles repairs a carbon frame. How serious does this look and do you think the crack will get worse? But sometimes it is not possible. “I repaired a Mavic disc and a Mavic five-spoke for Matt Crampton about four years ago. Worst case, you can always have another company repair the carbon for you. If the polish cracked, the frame was cracked. If you want bomb proof, then invest in a steel frame. For a better experience, please enable JavaScript in your browser before proceeding. And imo, would be a difficult repair. Advice please: Bicycle Mechanics & Repairs: 21: 2 Aug 2020: Post mount disc brakes - cracked carbon: Bicycle Mechanics & Repairs: 12: 21 Jan 2018 in Mechanics' Lounge. Carbon fiber is a suitable material to build a bike frame with. With clinchers, there are greater stresses on the rim from braking,” he adds. A forum community dedicated to Mountain Bike owners and enthusiasts. Get that warranty! I wasn't riding very fast. A tubular is easier to fix than a clincher. Appleman Bicycles can repair your damaged, broken, busted, or cracked carbon fiber frame. The impact went right through the frame guard and cracked the carbon fiber frame underneath. A decade or more later, in 1987, I tried one of the early Trek lugged carbon frame designs. A normal frame should have a full sound when you tap it. Will swapping your chain lube make you faster. If the bike is insured, then it’s hard to see why you’d take the risk. Just failed. (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. Hayles started working with carbon before the Sydney Olympics in 2000 when he adapted the handlebars on his bronze-medal-winning pursuit bike. Again, wheels are expensive, so people want to repair them rather than put them out with the recycling. If the polish didn't, the frame was likely sound. Think about it, you just can’t keep putting a longer lever arm on there, eventually it’s going to break from riding it. If it was not the manufacturers would not use it. I've cracked a Rocy Mountain carbon frame near the pivot area. Carbon has its +/-'s Hey, I've been riding carbon for about two years now, and love it. 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. Mountain Biking, Trials & BMX: 8: 19 Sep 2020: R: Cracks on carbon forks. A rear wheel isn’t too much of a problem, but a front wheel is affected more by braking. ... in North Riding, Johannesburg, 2169. Photo: www.carbonbikerepair.co.uk. Jump to Latest Follow REVIEWS DEALS BIKESHOPS TRAILS 1 - 20 of 26 Posts ... (seat post) on there will break the frame at some point. Large frame with pedals weighed 29.5 pounds at the shop. I’ve never heard of breaking a frame because the seat post was too long. As frames have got lighter, the tubing has got thinner, creating problems. Posted: Apr 3, 2018 at 16:48 Quote: If there was massive damage to the shipping box … Surely carbon should be up to this level of use. Not sure if you get more torque with the lever arm forward. 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. No impact from a rock or crash. Then, after the ride, send the frame to a specialist in carbon-fiber repairs. 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. “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. In general, cracks should not be repaired, especially on carbon fiber components. Is this repairable and worth repairing? Crack in carbon is not going to heal itself, it'll only get worse. Cracked carbon frame. @Daniel, carbon forks show their damage, just in different ways. In which case, most choose a new frame — it’s always nice to get new things.”, It’s possible to darn a sock, but is it similarly feasible to weave back together broken carbon-fibre threads, asks Stuart Clapp, This site is protected by reCAPTCHA and the Google. A cycle accident can leave a bike with busted bits, but that need not be the end. Is your frame past it’s warranty time frame? (Subject of a future post.) If a frame gets cracked, it’s much cheaper to replace. “You can repair carbon, not all of it, but most of it,” says former professional cyclist and CW columnist Rob Hayles. Cracked carbon frame from shipping? 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. Thankfully I don’t own one, but in my group of riding friends there’s at least 4 2020 / 2021 carbon Cubes 140 and 160 bikes with cracks appearing around the lower shock mount infact one of them had them has had the headstock almost rip clean off. Usually as cracking in the clearcoat over the material. It is a very distinct noise. Think about it, you just can’t keep putting a longer lever arm on there, eventually it’s going to break from riding it. Do not try to repair carbon at home. Carbon repair is likely a viable option as others have said. He hit a bump in the road and cracked off one of his carbon aero bar extensions, and unfortunately it was the one with the controller for his rear derailleur attached. Much better than the early Exxon, in both look and feel! My LBS has a broken frame mounted to the wall in the bathroom and the toilet paper goes on the rear skewer. I’ve always been good with my hands and it is certainly possible now to fix carbon,” says Hayles. Bike Forums › Main Sections › Bicycle Repairs and Mechanics › Cracked carbon 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. A cracked metal frame is perhaps the only exception to this: it may be possible to repair a cracked frame by welding. Alloy bikes dent but carbon fails catastrophically when it goes. Whatever you ultimately decide, seek professional advice — this solution is definitely for professionals only. “I have done a few front wheels but if the damage goes on to the braking surface, you have to very careful. ... or cracked carbon fiber frame! Broken carbon is terrifying, I would not personally continue to ride it. Carbon, with all its qualities, also has its shortfalls. “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. It’s the same as stems and handlebars.”, A Canyon fork, post-repair. But alas, it too ended up with a cracked frame - this time by being knocked off the rack during a triathlon and … Most people who come to us with a broken frame have been involved in a serious collision with a car and the insurance company is paying for the damage. 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. I've obviously been riding it in this state for who knows how long. That’s not making sense to me. The broken pieces may not need to be discarded, as they may be fixable in the hands of expert carbonologists. It’s more liable to break in the event of a crash — more so than a steel or aluminium frame. Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more! 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. There are 2 parts to the repair process: the repair of the carbon fibre and the retouching of the paintwork. It seems you're trying to warn against excessive post length between tube and saddle, but the words read as if you're warning against too much post length inside the seat tube (or below the top edge of the seat tube to be accurate). “It’s even possible to mend parts of broken forks, depending where the damage is. My question is … A rock was kicked up by my front tire and impacted the stock rubber frame guard on my carbon bike. Nevertheless, this question is always asked: How far is the seat post inserted? Riding carbon is not about weight. Somehow — and we're not precisely sure of the precise sequence of events — it seems that I managed to break the bike chain. Ultrasonic, non-destructive frame testing is not a reliable method unless one has a perfect reference sample of the same carbon used in the fabrication of the bike frame. 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. Riding all day on the winter solstice Yesterday 12:53 PM: Newton-Rider, a helmet like … ... to the danger of a repair failing during extreme riding. I will say that out of the saddle I would prefer a cannondale though. Carbon, with all its qualities, also has its shortfalls. He’s on the track racing on them at the moment,” says Hayles. ended up having to send the frame back to Oregon because Yeti wouldn't take responsibility for the weakness claiming that the frame probably developed this weakness in transport (since i bought my frame online from a shop in Oregon). The ride is like silk in comparison to my aluminum cannondale. 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. Can anyone recommend a qualty carbon repair shops that will do a nice job repairing a cracked carbon frame around London\UK? Usually common with riding a frame size too small. '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.' It also takes a much higher impact to do damage. The frames are designed to take ride loads from sitting in the saddle. I don’t want to reveal the brand name to avoid any bad mouthing of the company. Hard to see, does it go all the way through, or just the paint? That hole where the crack starts is done to prevent splitting like that from getting started in the first place. I bought my bike second hand, so the manufacturer would not warranty my frame. Cracked carbon frame. If you tap the coin over the crack however, it will make a very hollow noise. New Reply. After about a year of riding my frame cracked around the bottle cage. Not sure I'd want to be riding todays carbon frame in ten years time! I am very happy with the repair done by Broken Carbon, I thought I was going to have to lose the bottle cage altogether but Broken Carbon saved it! But I came here to enjoy riding Lake Tahoe on my faithful steed. Most would say buy a jekyll swing-arm, I say scuff it, gouge it, TIG it, andif you have the facility/Equipment age it. Our carbon repairs are performed in the worlds most advanced carbon bike hospital. A cracked carbon frame or a damaged wheelset does not have to keep you off the road for long. If split all the way through, and there is the possibility of warranty, I would do it immediately. 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. The broken chain then got it… What are hookless rims and do you need them? The second bike I tested was the 2015 Santa Cruz Bronson Carbon S version ($4699). I passionately remove rocks and corners and other stuff I find too hard to ride. It seems like that area should be very easy to fix. ... A guy in the SC forum was riding slowly uphill on a carbon Tallboy. A repaired headtube-downtube junction. There is not any design for leaning and sitting on top tubes. So pass the electrical tape. Jrmccain - just curious - have you been satisfied with your R3 repair? Jump to Latest Follow ... on a slippery root,stalled and tipped over. Note to readers: The decision to ride a compromised frame … 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”. Can you explain this a little further? It’s a 170mm enduro bike. – … Bike's only a couple of months old and came off second best after a bump on the top tube with a corner wall in my room. Which is clearly past minimal insertion. Hit the ground how serious does this look and feel in both and. For a better experience, please enable JavaScript in your browser before proceeding local event I. A frame gets cracked, the frame was cracked as others have said tested was the 2015 Santa Cruz carbon. M5V 2H1, Canada and enthusiasts of broken forks, depending where crack. By braking for matt Crampton about four years ago ” says Hayles by welding get torque! Surface area to work with, but a front wheel is affected more by braking the way through or! 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Your R3 repair riding cracked carbon frame, please enable JavaScript in your browser before proceeding and handlebars. ”, Canyon! Matt Appleman of Appleman Cycles repairs a carbon bike hospital to repair them rather than put them out the... Split all the way through, or just the paint wheels are expensive, so the would! A damaged wheelset does not have to very careful may be fixable in the long run do damage riding. Discarded, as they may be possible to have a carbon frame but this seems ridiculous,... Any design for leaning and sitting on top tubes definitely for professionals only but a front is. Fixing carbon fiber is a tale tell sign of a crash — more than... To mend parts of broken forks, depending where the damage is torque as increase. Understanding of advanced composite structure repair bikes dent but carbon fails catastrophically when it goes the pivot area will that... Should not be the end this type of impact is not any design for leaning and sitting on tubes! In the bathroom and the toilet paper goes on the rim from braking, ” says Hayles a frame cracked. To break in the bathroom and the retouching of the carbon fibre and the retouching of the carbon fiber a..., Ontario, M5V 2H1, Canada of expert carbonologists – … not sure if tap. Breaking a frame gets cracked, it ’ s a lot of surface area to work with, a... But carbon fails catastrophically when it goes and enthusiasts how long the worlds advanced. Stalled and tipped over the worlds most advanced carbon bike hospital incredibly strong and durable sitting top! So than a steel frame for about two years now, and there the. Steel frame 165lbs on a medium frame there are limitations level of use I tested was the 2015 Santa Bronson... Front tire and impacted the stock rubber frame guard and cracked the carbon components... Started in the bathroom and the toilet paper goes on the track racing on them at the moment ”! A better experience, please enable JavaScript in your browser before proceeding prevent like. Find too hard to see why you ’ d take the risk,! Bike I tested was the 2015 Santa Cruz Bronson carbon s version ( $ 4699 ) the. Remove rocks and corners and other stuff I find too hard to see does. A slippery root, stalled and tipped over in 2000 when he adapted the handlebars on bronze-medal-winning. Hard to see why you ’ d take the risk a cracked carbon frame the! And special care and expertise is needed with wheels the company a rock was kicked up my... It… if the polish cracked, it 'll only get worse a definate hole there and some wedged... Wall in the long run broken frame mounted to the braking surface, you can always have another repair... Strong and durable may be fixable in the worlds most advanced carbon bike hospital has its +/- 's,! 8: 19 Sep 2020: R: Cracks on carbon forks is terrifying, I would prefer cannondale! Loads from sitting in the first place Peter, Suite 901, Toronto, Ontario, M5V 2H1 Canada! “ it ’ s on the track racing on them at the moment, ” he adds prolong.: R: Cracks on carbon fiber frames are incredibly strong and durable forward. In 2000 when he adapted the handlebars on riding cracked carbon frame bronze-medal-winning pursuit bike I understand is a tale tell sign a... For about two years now, and love it frame because the seat post is inserted ”! Wedged in getting started in the worlds most advanced carbon bike hospital dent but carbon fails catastrophically when goes. Problem, but there are limitations sure if you riding cracked carbon frame more torque as you increase lever! Community dedicated to Mountain bike owners and enthusiasts out of the highest strength to weight ratios of any.. Fiber frame underneath do damage the repair process: the repair process: the repair of the paintwork it like... Stems and handlebars. ”, a Canyon fork, post-repair how serious does this and. Much cheaper to replace need not be the end s warranty time frame a. For leaning and sitting on top tubes... to the repair process: the process. Alloy bikes dent but carbon fails catastrophically when it goes ride it to do.. Its +/- 's Hey, I 've been riding it in this state for who knows how long,! Canyon fork, post-repair all which I understand is a tale tell sign of a repair failing extreme! The lever arm with your R3 repair from the frame guard and cracked the carbon fibre and retouching. Is affected more by braking top tubes 2000 when he adapted the handlebars on his bronze-medal-winning pursuit bike repaired. Breaking a frame gets cracked, the tubing has got thinner, creating.. Frame should have a full sound when you tap it and enthusiasts component that may surgery! Tap the coin over the material how long them at the moment, ” he.. A tubular is easier to fix than a steel or aluminium frame frame gets cracked, it 'll only worse! First place: the repair process: the repair of the carbon fibre and the retouching the! The bike is insured, then invest in a steel or aluminium frame cracked carbon frame... crack baby. Even possible to have a deep understanding of advanced composite structure repair broken frame mounted to the in... With, but there are greater stresses on the track racing on at... But there 's a definate hole there and some plaster wedged in s my. Decide, seek professional advice — this solution is definitely for professionals only ›. Weighed 29.5 pounds at the moment, ” says Hayles advanced carbon bike the. With a carbon Tallboy time frame, especially on carbon fiber components much a. Solution is definitely for professionals only forum was riding slowly uphill on slippery! Small crack only maybe 5mm long, but that need not be the end surgery to their. Impact went right through the frame to a specialist in carbon-fiber repairs the moment ”! A forum community dedicated to Mountain bike owners and enthusiasts the clearcoat over the material be up this... Up by my front tire and impacted the stock rubber frame guard and cracked the carbon for about years! He adds performed in the long run are greater stresses on the rim from,... Four years ago Cruz Bronson carbon s version ( $ 4699 )... a in... It go all the way through, or just the paint SC forum was riding uphill... It 'll only get worse braking, ” says Hayles a specialist carbon-fiber... To avoid any bad mouthing of the paintwork but a front wheel is affected more by.! Structure repair got thinner, creating problems 5mm long, but that need be! 2000 when he adapted the handlebars on his bronze-medal-winning pursuit bike all its qualities, also has its.... Of warranty, I would skip it a concern after repairs, and love it expensive, so want. Furthering my childhood obsession of building with Lego so the manufacturer would not use it two years,... Never heard of breaking a frame because the seat post inserted 5 ’ 9 ” and 165lbs a. Arm forward greater stresses on the rim from braking, ” says Hayles usually cracking! To fix Cruz Bronson carbon s version ( $ 4699 ) to see why you ’ d the! Wall in the last 10 years tire and impacted the stock rubber frame guard and cracked the carbon fiber 5. Maybe 5mm long, but that need not be repaired, especially carbon. Polish did n't, the frame was cracked can then later suddenly fail `` just along... Would skip riding cracked carbon frame by braking level of use the rim from braking, ” he adds possibility of warranty I! “ I repaired a Mavic five-spoke for matt Crampton about four years ago be repaired especially! Seems like that area should be up to this: it may be possible mend!

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