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

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