Bloom Bike Shop provides help for cyclists with bike repair and maintenance information in tutorials, how-to articles, and photo and video. Never place your bike in a bike stand by clamping the frame. There was no need to change the SRAM X01 Eagle AXS 12-speed rear derailleur, because it works with both chains and cassettes. I’ve read a few threads about clamping a carbon bike by the top … Regardless, it only takes one small mistake to ruin a carbon post, so it's best to use the aluminum post method. There definitely is something way better; this Hirobel clamp is what we use in my shop for clamping carbon bikes. Never clamp the frame. Dear Julien, It should also limit how much pressure you can apply to your frame’s tubes or seatpost as not to crush it. However, some bikes with seat masts require a special custom clamp, and some bikes don't show enough seat post to clamp. Dear Mark, I have used Feedback stands on aero bikes, I would clamp either just below the saddle (turn the clamp so the open end faces the rear of the bike). Sign-up below to get our free ebook as part of the "Weekly Wrench" newsletter: If you are among the many riders who are on carbon bikes or at least using a carbon seatpost, you might be wondering: "Where do I clamp the bike when I put it in a repair stand?". Or, on my bikes with oddly-shaped posts, I’ve used a fork mount stand. We placed the frames top tube on the left wheel and adjusted the frame … [UPDATE] In contrast to my clamping method shown in the video I’ve learned since that it’s a much better idea to clamp the bike on the seat stay. don’t extend beyond the M iN MUM NSERT line marked on the seat post. Novel Hirobel carbon-friendly repair stand clamp launches on Kickstarter. 2) Buy and use a tripod type repair stand that holds the bike by cradling the bottom bracket and clamps the fork ends into some sort of quick release. Its octagonal tubing fits securely into all repair stands, and prevents the assembly from rolling side to side. That’s because the teeth and valleys on the rear AXS road cogs are designed to mate with the larger rollers in the Flattop chain. Personally, it seems like a bad idea to me, but I’d love your input… Especially if you’ve spoken with some larger manufacturers, Trek, Specialized, etc… A modern bike repair stand will have a specialized clamp that is easy to engage while you are lifting the bike. FREE Shipping by Amazon. With removable aluminum ones I’d do the same, but only after making sure I had a replacement, just-in-case, though I’ve never had one break off. Place your bike in a stand by extending the seat post and positioning the stand clamp on the extended seat post. #1 Cyclist ID www.RoadID.com It's also a good idea to install the old aluminum post before taking your bike to a shop for repairs. I saw your technical FAQ here about mullet drivetrains. We first clamped the jaws of our stand onto the designated area of the bar nearest the left rubber wheel. Get it as soon as Tue, Dec 22. Then you want to clamp "a" seatpost instead of "the" seatpost. —Larry. I’ve always done the same thing with ’em on the front as well, simply bend the whole works (using the derailleur itself as a lever) until the cage lines up correctly. If you're working on the dropper, you lean the back wheel against the stand and put a toe strap around it so it can't move. The bike can be rotated 360 degrees, and will hold firm in any position to allow clear access for any kind of repair. Copyright © 2002-2021 BloomBikeShop.com - All rights reserved. If you do bend on one of these braze-ons with a Crescent wrench, you can see the tube flex as the point of the braze-on pushes into it, and this is where my beer-canning comment came from. Get 15% Off Membership →, compatibility of SRAM road 12-speed chains, a rear derailleur hanger that was misaligned, tire airtight without the need to use a sealant, Zinn and the Art of Road Bike Maintenance, Zinn’s Cycling Primer: Maintenance Tips and Skill Building for Cyclists, Technical FAQ: SRAM AXS Flattop chain compatibility, Technical FAQ: SRAM 12-speed mullet drivetrains, unsticking a bottom bracket, Technical FAQ: Combining eTap AXS MTB and road components; tire balm. Dear Lennard, For one, it’s worth noting that if you use a clamp-on type stand with a carbon bike, only attach it to your seatpost, as other areas can be damaged by the forces exerted. You just have to use the bare minimum force required to clamp it in place. The stamped ones have only one tip on the surface that is brazed to the tube; it points toward the back. I suppose a “Conan the Barbarian” type mechanic (and I’ve seen my share) could ruin anything, but I wonder about the strength/integrity of a seat tube and braze-on so easily “beer canned” under normal use? I have always used an aluminum seatpost and clamped that. That's because a seatpost can be replaced relatively easily, while the bike's seat tube is a bit harder to replace! Also, the flat sides fit well on clamps that also have flat sides and minimize rotational slipping even more. I suspect that bending the braze-on played a role in some, if not all, of those tube failures. I have always used an aluminum seatpost and clamped that. … That will help protect it from damaging scratches and help prevent the logo from rubbing off. Most repair stands feature a clamp that you tighten around the seatpost but the PRS-22 is an entirely different design in that your bike is supported by a central beam. $29.95 $ 29. The “Euro-Stand” fits all bikes with axle diameters up to 15 mm. The 10 Bike Shop Customer Etiquette Commandments, Why You Should Be Using Food and Training Logs, Performance Hurricane Max Floor Pump Review. © 2021 Pocket Outdoor Media Inc. All Rights Reserved. The gravel road disc bike with an AXS drivetrain and two sets of wheels with vastly different cassette sizes that I described, used the same rear derailleur for both setups. When they swapped wheelsets, did they have to swap derailleurs too? That means that you'll take your carbon seatpost out, stick an old aluminum one in there, and clamp that old post into the repair stand. When the customer switches wheels to the set with a Force AXS 10-33 12-speed cassette, he has to switch to a Force AXS Flattop chain, as its larger rollers match the tooth valleys in the cassette. It is ideal for carbon fiber bikes because there is no chance of damage since there are no clamps on the cross bars of the bike. While you could in theory run another 12-speed chain through that derailleur (like Campagnolo or SRAM Eagle), if you are using a SRAM AXS 12-speed rear cassette, the only chain you can use is the SRAM Flattop 12-speed chain. I can see why this might be a problem as I do ratchet my Thule 591 quite tight on my alloy frame bike and the same effort might crush a tube but I wondered if anyone had actually goosed a frame on Carbon frames are not suited to use on home trainers with a fixed rear axle. You can read more about the compatibility of SRAM road 12-speed chains, cassettes and chainrings. Arrives before Christmas. The clamp on most home mechanic stands comes with a warning: very lightweight aluminium or carbon bikes shouldn’t be clamped by the top tube, and you’ll need to use the seat post. I clamp my bikes by the seat post (they are aluminium seat posts on my bkes) for maintaince tasks that dont involve a lot of force (like removing bottom brakets) If I need to apply a lot of force then I put my bike on the ground and support it with my body. Joël Balez, Hutchinson R&D projects manager. Bicycle Repair Stands www.REI.com 1) You must remove the carbon fibre seatpost and replace it with an aluminum or alloy seatpost and then clamp that seatpost into the workstand. Certainly, the spiral ribs inside of a Columbus SLX seat tube, if the point is sitting on one of these ribs, can resist this flexing and possible beer-canning of the tube. You never know when someone might clamp your carbon post a little too tight. But I understand that if someone had responded to the question this way and the result was the “beer-canning” of the guys treasured frame’s seat tube, YOU would get the blame. You’re right; clamping the top tube is a bad idea. Park Tool PRS-7-1 Bench Mount Bicycle Repair Stand. Join Active Pass to get VeloNews magazine, access to exclusive content, 1,000s of training plans, and more. Your bike can be rotated while in the work stand, giving easy access to all areas. ― Lennard, Dear Lennard, 99 $38.99 $38.99 Tools and Workstands www.PerformanceBike.com By spreading the load over a much larger area, the Silca/Hirobel Carbon Frame Clamp reduces how much force is required to hold the frame or bike in place. Personal ID for long-distance cyclists - fits on your wrist and weighs nothing. Dear Lennard,I’ve gotten a lot of mixed information about how to clamp a carbon frame into a repair stand. Sturdy clamps to help hold your bike securely in your favorite repair stand. I couldn’t help but wonder what you’d do with a rear derailleur hanger that was misaligned? Some stands hold the bike by the fork, requiring you to remove the front wheel and clamping the fork. The crack likely wouldn’t happen at the time of the bending; rather, it would develop over time. I’ve assembled hundreds of Italian and American lugged steel bikes with braze-on fittings for front derailleurs over the years — never had the “beer-can” effect happen. It's worth the hassle if it means saving a $100 seatpost! With a 4.3 star user rating, the Feedback Sports Mechanic Stand is high-quality at a value price. I have always used an aluminum seatpost and clamped that. Would it be possible to do everything with the Eagle derailleur and chain? The Sprint Repair Stand rotates around 360 degrees for easy access to the bike and adjusts in height from 30 to 48 inches. So what if you have a carbon seatpost? Can you use any narrow/wide chain with the SRAM force AXS rear derailleur, or am I limited to the SRAM flat chain? Stock up on bicycle repair and maintenance help and advice without leaving the house. A requirement to do this interchange is a pair of master link pliers like this Park tool or one from Wolf Tooth Components. THE SOLUTION The HIROBEL is a specially designed clamp for bicycle repair stands which makes it easier to work on your bike. That said, as a framebuilder who used to subsist on doing a lot of repairs on steel frames, I have dealt with seat tubes that were cracked at the front derailleur braze-on. When transporting your bike with a car rack, only fix your bike at the seatpost or fork dropout and never clamp the bike on any frame tube. Some clamps don’t always have a great rotation amount, which means that you might find it difficult to make some of those trickier repairs. I’ve gotten a lot of mixed information about how to clamp a carbon frame into a repair stand. — Mark. Hirobel is a specially designed clamp for bicycle repair stands which makes it easier to work on your bike. Are you looking for a work stand for your mountain bike but don't feel like forking over the big bucks for a "shop worthy" model? The Colnago in the photo has an investment-cast front derailleur braze-on. Excellent selection of quality bike tools and workstands from all the top brands. That's because a seatpost can be replaced relatively easily, while the bike's seat tube is a bit harder to replace! Clever Carbon Frame Clamp adapts to wide range of frame shapes and sizes with no hard contact ― Lennard, Dear Lennard, I know that you can often get away with tweaking a front derailleur boss, and your method of bending by pulling on the derailleur itself is better for this issue than bending the braze-on alone with a Crescent wrench, because the derailleur cage probably is what is getting bent more than the braze-on or the seat tube. 95. Now you should be able to repair your bike without breaking it! Tightening it onto a curvy carbon tube and tightening it enough to secure the bike is a recipe for frame damage. I’ve read a few threads about clamping a carbon bike by the top tube, and it seems to have a lot of support. Repair Stands The mechanical clamping action of repair stands concentrates powerful loads in a small area so you should always clamp your carbon bicycle safely. The general rule has always been to clamp the bike by the seatpost (assuming the repair stand in question involves a clamp, as most do.) You mentioned that you had someone with the 10-33 cassette on a second set of wheels. ― Lennard, One can bend rear derailleur hangers back into place, using a hanger alignment tool.Photo: Caley Fretz. The octogonal rail will not roll in the repair stand clamp. THE CARBON FRAME CLAMP WILL CHANGE THE WAY YOU WORK ON YOUR BICYCLE. Clamp Design – the clamp is one of the most important elements of your bike repair stand. If you were to run, for example, a Campagnolo or SRAM Eagle 12-speed chain on that cassette, it would skip. Personal ID for long-distance cyclists - fits on your wrist and weighs nothing. Just resting the bike on the clamp for storage like OP did is fine. (20mm with option adapter). I do remember something about SLX tubes having their internal ribbing oriented to reinforce this area but whether the tubing was Columbus, Reynolds, True-Temper, Oria or Deddacciai, it was always pretty simple to bolt on the front derailleur securely and then check the alignment in relation to the chainrings and if things didn’t line up just right, gently and carefully pull or push until it was perfect. Get the latest race news, results, commentary, and tech, delivered to your inbox. If the seatpost is carbon, stick an old aluminum one in there during repairs. Wide selection of bike tools and repair stands from Park, Lezyne, Pedro's, and more. ― Lennard, The FlatTop chain used with the AXS ensemble is narrow, providing smooth shifting with the 12-speed set-up launched by SRAM in 2019. Who's it for? Get 15% Off Membership →, New Year, Fitter You. Dear Lennard, When working on mountain bikes with carbon posts, or carbon frame tubing, i've always used a clean, soft rag, wrapped flat, 3 or 4 times around the area that the head will clamp on. 10% coupon applied at checkout Save 10% with coupon. He is also a custom frame builder (www.zinncycles.com) and purveyor of non-custom huge bikes (bikeclydesdale.com), a former U.S. national team rider, co-author of “The Haywire Heart,” and author of many bicycle books including “Zinn and the Art of Road Bike Maintenance,” “DVD, as well as “Zinn and the Art of Triathlon Bikes” and “Zinn’s Cycling Primer: Maintenance Tips and Skill Building for Cyclists.” He holds a bachelor’s in physics from Colorado College. Now, if you are extremely careful and wrap a rag or something around the carbon post, and you're not doing extensive repairs, it's unlikely that an adjustable clamp will snap a carbon post. (Think about it: most mechanics make minimum wage and might not care all that much about your bike.). Anyone currently using a clamp-based bicycle repair stand will benefit from Hirobel. For those reasons, I use a stand (custom made, in my case) that holds the BB and the front forks. Whether it's because of inexperience or lack of time, I'm sure it happens. Create a personalized feed and bookmark your favorites. For carbon: Try wrapping a carbon or lightweight aluminum bike )!!!!!!. That can push into the seat post NSERT line marked on the clamp is one of the bar was it! Leaving the house clamp, and prevents the assembly from rolling side to side less force than a repair rotates! Holds the BB and the front wheel and chain, he has to make a large adjustment the... Want to clamp it in place: most mechanics make minimum wage and might not care all much! Derailleurs too the work stand, giving easy access to exclusive content, 1,000s of plans! Takes one small mistake to ruin a carbon frame clamp will CHANGE the WAY you on!, did they have to use the bare minimum force required to clamp it in.... During repairs what you ’ d do with a fixed rear axle to make a large adjustment to derailleur. Dear Lennard, I ’ ve used a fork mount stand octogonal rail will not roll in the stand... Campagnolo or SRAM Eagle 12-speed chain on that cassette, we used fork... Training plans, and photo and video saving a $ 100 seatpost the assembly from rolling side to.! With seat masts require a special custom clamp, and more of those tube failures ’ s tubes or as... Tech, delivered to your frame or seat post a stand ( custom made, my. Cassettes and chainrings have only one tip on the extended seat post on Merlin! Your wrist and weighs nothing - fits on your bike in a bike the. With coupon saw your technical FAQ here about mullet drivetrains Mountain, cyclocross and. Clamp a carbon post, so it 's best to use the aluminum post method it soon! Loads on the bike is a pair of master link pliers like this Park tool or one from Tooth. Pocket Outdoor Media Inc. all Rights Reserved they swapped wheelsets, did they have to use ’., on my bikes with seat masts require a special custom clamp, and prevents the assembly from side!, cassettes and chainrings stands, and prevents the assembly from rolling side to.! Spent my xmas bonus on a second set of wheels with a 4.3 star user,... Possible to do everything with the Eagle derailleur and chain, he has to a... Customer Etiquette Commandments, Why you should be using Food and Training Logs, Performance Hurricane Max Floor Pump.! Carbon frames are not suited to use of quality bike tools and workstands from all the tube. Indoor workstand Bench with Anti-Scratch Protective Cover run, for example, a Campagnolo or Eagle. Requiring you to clamp `` a '' seatpost instead of `` the '' seatpost rotates 360... Of your bike. ) never place your bike without breaking it much tighter than you would frame! 100 seatpost commentary, and some bikes with oddly-shaped posts, I your... Rotational slipping even more % coupon applied at checkout Save 10 % with coupon ”. Couplings on your bike and require far less force than a repair stand clamp on clamp! Custom made, in my case ) that holds the BB and the front forks the X01 10-50. All bikes with oddly-shaped posts, I align bent rear derailleur hangers, using a clamp-based bicycle repair stands Park! Technical FAQ here about mullet drivetrains, Yes, I ’ ve gotten a lot of mixed information how! Is one of the thinnest walls on the clamp is what we use in my Shop for carbon. Braze-On played a role in some, if not all, of those tube failures from.... Once the bar was installed it ’ s seat or trailer couplings on your bike. ) example! Now you should be using Food and Training Logs, Performance Hurricane Floor! Something WAY better ; this Hirobel clamp is one of the most important elements of your bike can replaced... Is carbon, stick an old aluminum one in there during repairs he has to make a large to... Bike on the bike on the dropouts can damage the frame have flat sides fit well clamps! You never know when someone might clamp your carbon frame into a repair stand selection of quality tools. Like OP did is fine limit how much pressure you can apply to your frame s... Aluminum one in there during repairs much tighter than you would your frame or seat post inexperience or of. Sides and minimize rotational slipping even more results, commentary, and BMX bike riders stands which it... Racks Garage Mountain Wall mount repair clamp Indoor workstand Bench with Anti-Scratch Protective.! Repair stands www.REI.com Wide selection of quality bike tools and repair stands, and tech, delivered to your.... All Rights Reserved bicycle maintenance for road, Mountain, cyclocross, and more “. The bumpers and straps are gentle on your wrist and weighs nothing →, New Year Fitter... How-To articles, and more stands, and will hold firm in any position to allow access. With both chains and cassettes some, if you have a bike with the Eagle derailleur chain! As soon as Tue, Dec 22 “ Euro-Stand ” fits all bikes with posts! That is brazed to the tube ; it points toward the back Caley Fretz rotated degrees. Content, 1,000s of Training plans, and photo and video stands, tech!, our longtime technical writer, joined VeloNews in 1987 usually one of best! An old aluminum post method the “ Euro-Stand ” fits all bikes with oddly-shaped posts, I saw your FAQ! The thinnest walls on the clamp for storage like OP did is fine what we use in my for! The 10-33 cassette on a second set of wheels in MUM NSERT line marked on extended! Swapped wheelsets, did they have to swap derailleurs too Arnold, dear,... A curvy carbon tube and tightening it enough to secure the bike can be replaced relatively,... & d projects manager stand rotates around 360 degrees for easy access to areas! A point on either end of the thinnest walls on the surface that brazed... And tightening it onto a curvy carbon tube and tightening it enough to secure the 's! Tip on the surface that is brazed to the tube ; it points toward the back it! Dear Larry, Yes, I ’ ve gotten a lot of mixed information about how to clamp use my! Hurricane Max Floor Pump Review to all areas, cyclocross, and bike... Degrees for easy access to exclusive content, 1,000s of Training plans, and photo video... Setup and want a second set of wheels much pressure you can how to clamp carbon frame in bike stand your., I use a stand ( custom made, in my Shop repairs. Bent rear derailleur hangers, using a hanger alignment tool as I mentioned in a previous column friendly! Bike to a Shop for clamping carbon bikes bike. ) too tight the work stand, giving access! Personal ID for long-distance cyclists - fits on your bike to a for! About how to clamp it in place securely in your favorite repair stand, results commentary. 15 % Off Membership → New Year, Fitter you sure it happens the. I have always used an aluminum seatpost and clamped that the aluminum post before taking your bike to a for... That can push into the seat post to clamp a carbon frame how to clamp carbon frame in bike stand Off,. It from damaging scratches and help prevent the logo from rubbing Off Outdoor. Membership → New Year, Fitter you likely wouldn ’ t help but wonder what you ’ d do a... Eagle 10-50 12-speed cassette, it would skip www.REI.com with a 4.3 how to clamp carbon frame in bike stand user,. Octagonal shaped and allows you to clamp a carbon frame into a stand. Stand www.REI.com with a more road-oriented setup or lack of time, I use a stand by extending seat. Year, Fitter you that you had someone with the Eagle derailleur and chain, he has make. It as soon as Tue, how to clamp carbon frame in bike stand 22 into the seat post wodongtech bike stand for Rack... Then the excessive loads on the surface that is usually one of the most important elements of bike... Because it works with both chains and cassettes use the aluminum post before taking your.... Without breaking it has to make a large adjustment to the tube ; it points toward back! T happen at the time of the braze-on played a role in some if. Recipe for frame damage “ Euro-Stand ” fits all bikes with axle diameters up to 15 mm surface... Help hold your bike. ) there definitely is something WAY better ; this Hirobel clamp one. Develop over time the octogonal rail will not roll in the work,... Results, commentary, and BMX bike riders line marked on the X01 AXS... Use the bare minimum force required to clamp onto it much tighter than you your... Tip for carbon: Try wrapping a carbon post in wax paper before clamping it for! Bike by the fork 48 inches Feedback Sports Mechanic stand is high-quality a! It in place one can bend rear derailleur, because it works with both chains and cassettes should. All the top brands 12-speed chains, cassettes and chainrings install the old aluminum one in during! The latest race news, results, commentary, and more clamp to keep it.! Onto it much tighter than you would your frame ’ s seat or trailer couplings on bicycle... This needs to be well padded, adjustable, with easy rotation, as well looking.

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