how to clamp carbon frame in bike stand

Tools and Workstands www.PerformanceBike.com When they swapped wheelsets, did they have to swap derailleurs too? © 2021 Pocket Outdoor Media Inc. All Rights Reserved. Would it be possible to do everything with the Eagle derailleur and chain? — Julien. 10% coupon applied at checkout Save 10% with coupon. You’re right; clamping the top tube is a bad idea. Dear Lennard, Do not clamp any children’s seat or trailer couplings on your carbon frame. Place your bike in a stand by extending the seat post and positioning the stand clamp on the extended seat post. New Year, Fitter You. $29.95 $ 29. THE SOLUTION The HIROBEL is a specially designed clamp for bicycle repair stands which makes it easier to work on your bike. I’ve gotten a lot of mixed information about how to clamp a carbon frame into a repair stand. 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.) Who's it for? I have always used an aluminum seatpost and clamped that. Dear Julien, First up on our list of the best bike repair stands is this PCS-10 Home Mechanic Repair Stand from Park Tool. Tip for carbon: Try wrapping a carbon post in wax paper before clamping it. 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. Also, the flat sides fit well on clamps that also have flat sides and minimize rotational slipping even more. That is usually one of the thinnest walls on the bike, it is not designed to take clamping forces. 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. Wide selection of bike tools and repair stands from Park, Lezyne, Pedro's, and more. Wide selection of bike tools and repair stands from Park, Lezyne, Pedro's, and more. Its octagonal tubing fits securely into all repair stands, and prevents the assembly from rolling side to side. Now you should be able to repair your bike without breaking it! Furthermore, there are two kinds of steel front derailleur braze-ons, ones that are stamped out of thick, sheet steel, and ones that are investment cast. 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. It should also limit how much pressure you can apply to your frame’s tubes or seatpost as not to crush it. Hirobel is a specially designed clamp for bicycle repair stands which makes it easier to work on your bike. 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. Instead, if you have a round aluminum seatpost, clamp that. You whip one of the wheels off, rest the bottom bracket shell on its support on that beam, and then secure the dropouts on the quick release axle. 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… 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. This strong and adaptable stand features a 3-point leg system with reinforced center, a quick release adjustable height, and a cam-actuated clamp that fits bike tubes of 7/8” – 3”, and is ideal for deep, aero-shaped frames. Bicycle Repair Stands www.REI.com That's because a seatpost can be replaced relatively easily, while the bike's seat tube is a bit harder to replace! Dear Lennard, I’ve read a few threads about clamping a carbon bike by the top tube, and it seems to have a lot of support. 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. Or, on my bikes with oddly-shaped posts, I’ve used a fork mount stand. 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 have always used an aluminum seatpost and clamped that. The crack likely wouldn’t happen at the time of the bending; rather, it would develop over time. Your bike can be rotated while in the work stand, giving easy access to all areas. If you were to run, for example, a Campagnolo or SRAM Eagle 12-speed chain on that cassette, it would skip. Using grooved, rubber wheels and secure rubber bindings, their Carbon Frame Clamp is designed to hold a bicycle frame securely without damaging it by spreading the pressure across multiple contact points. 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? (20mm with option adapter). Carbon frames are not suited to use on home trainers with a fixed rear axle. THE CARBON FRAME CLAMP WILL CHANGE THE WAY YOU WORK ON YOUR BICYCLE. Then you want to clamp "a" seatpost instead of "the" seatpost. The issue for bending the investment-cast ones is that they are so stiff that I don’t think they would bend before the tube would, and they have so much brazing surface perfectly shaped to mate with the tube that the braze will not give, either. That will help protect it from damaging scratches and help prevent the logo from rubbing off. 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. —Larry. Can’t say I’ve done this on a Colnago Master, which I assume is steel, but I have never had an issue on the hundreds of steel frames with front braze-on mounts I’ve worked on over the years. I’ve gotten a lot of mixed information about how to clamp a carbon frame into a repair stand. There was no need to change the SRAM X01 Eagle AXS 12-speed rear derailleur, because it works with both chains and cassettes. Tightening it onto a curvy carbon tube and tightening it enough to secure the bike is a recipe for frame damage. 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. 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. 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. Dear Lennard,I’ve gotten a lot of mixed information about how to clamp a carbon frame into a repair stand. [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. We placed the frames top tube on the left wheel and adjusted the frame … 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. 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. I couldn’t help but wonder what you’d do with a rear derailleur hanger that was misaligned? New Year, Fitter You. don’t extend beyond the M iN MUM NSERT line marked on the seat post. Bloom Bike Shop provides help for cyclists with bike repair and maintenance information in tutorials, how-to articles, and photo and video. Create a personalized feed and bookmark your favorites. If the seatpost is carbon, stick an old aluminum one in there during repairs. If you bend back on one of these, you can start peeling the long, front edge away from the tube along a crease in the stamped steel; I have seen this happen. On the X01 Eagle 10-50 12-speed cassette, we used a GX Eagle chain. (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. #1 Top-Rated Repair Stand www.REI.com The bumpers and straps are gentle on your bike and require far less force than a repair stand clamp to keep it stable. 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 Photo: Rob Arnold, Dear Lennard, Clamp Design – the clamp is one of the most important elements of your bike repair stand. ― Lennard, Dear Lennard, #1 Cyclist ID www.RoadID.com Excellent selection of quality bike tools and workstands from all the top brands. 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.) And each time he switches the wheel and chain, he has to make a large adjustment to the derailleur b-screw. 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. 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. The bike can be rotated 360 degrees, and will hold firm in any position to allow clear access for any kind of repair. There is a point on either end of the base of the braze-on that can push into the seat tube. 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. 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. Stock up on bicycle repair and maintenance help and advice without leaving the house. I've just spent my xmas bonus on a Merlin C110 and i'm wondering where do I clamp the frame in the workstand. This needs to be well padded, adjustable, with easy rotation, as well as looking good too. The repair stand clamps the octogonal rail of Hirobel’s Carbon Frame Clamp while your bike rests on elastomer bumpers, secured down with high-density neoprene straps. 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. We first clamped the jaws of our stand onto the designated area of the bar nearest the left rubber wheel. That's because a seatpost can be replaced relatively easily, while the bike's seat tube is a bit harder to replace! I have always used an aluminum seatpost and clamped that. Never clamp the frame. With a 4.3 star user rating, the Feedback Sports Mechanic Stand is high-quality at a value price. To the OP: Depends, but for a CF frame almost always on the seat post. Personal ID for long-distance cyclists - fits on your wrist and weighs nothing. 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. 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. You mentioned that you had someone with the 10-33 cassette on a second set of wheels. Arrives before Christmas. It's worth the hassle if it means saving a $100 seatpost! 99 $38.99 $38.99 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). So what if you have a carbon seatpost? ― Lennard, One can bend rear derailleur hangers back into place, using a hanger alignment tool.Photo: Caley Fretz. The “Euro-Stand” fits all bikes with axle diameters up to 15 mm. A modern bike repair stand will have a specialized clamp that is easy to engage while you are lifting the bike. Never place your bike in a bike stand by clamping the frame. 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. The Sprint Repair Stand rotates around 360 degrees for easy access to the bike and adjusts in height from 30 to 48 inches. Best bike storage ideas: a buyer’s guide to storing your bike indoors The products mentioned in this article are selected or reviewed independently by our journalists. DO NOT CLAMP THE TOP TUBE (edit: of a carbon or lightweight aluminum 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?". The 10 Bike Shop Customer Etiquette Commandments, Why You Should Be Using Food and Training Logs, Performance Hurricane Max Floor Pump Review. You just have to use the bare minimum force required to clamp it in place. The Colnago in the photo has an investment-cast front derailleur braze-on. ― Lennard, Dear Lennard, I suspect that bending the braze-on played a role in some, if not all, of those tube failures. 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. Get the latest race news, results, commentary, and tech, delivered to your inbox. Sturdy clamps to help hold your bike securely in your favorite repair stand. 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? Due to the much smaller largest cog on the Force cassette, we made the length of the Force chain shorter than the GX Eagle chain. You never know when someone might clamp your carbon post a little too tight. Some stands hold the bike by the fork, requiring you to remove the front wheel and clamping the fork. 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. Clever Carbon Frame Clamp adapts to wide range of frame shapes and sizes with no hard contact Can you use any narrow/wide chain with the SRAM force AXS rear derailleur, or am I limited to the SRAM flat chain? There definitely is something way better; this Hirobel clamp is what we use in my shop for clamping carbon bikes. Dear Larry, Copyright © 2002-2021 BloomBikeShop.com - All rights reserved. Personal ID for long-distance cyclists - fits on your wrist and weighs nothing. Bloom Bike Shop is just like your friendly neighborhood bike shop... except that it is online and open 24/7! KAC Overdrive Bike Frame Telescope Mount Bar Adapter (Quick Release Clamp Version) - Bicycle Cross Bar - for Y-Frame, Dual Suspension, Cruiser Bikes – RV Use Prohibited 4.6 out of 5 stars 49 $35.99 $ 35 . 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. I simply bend them into alignment if they’re investment cast steel types. If using soft travel cases or … 95. When the wheel cannot move then the excessive loads on the dropouts can damage the frame. WODONGTECH Bike Stand for Maintenance Rack Bicycle Storage Racks Garage Mountain Wall Mount Repair Clamp Indoor Workstand Bench with Anti-Scratch Protective Cover. Or, on my bikes with oddly-shaped posts, I’ve used a fork mount stand. The tubeless tires that we manufactured had a butyl layer which made the tire airtight without the need to use a sealant, but today for our tubeless-ready tires, we use a layer of technical polyamide which is also used as reinforcement against puncture, and use of sealant is mandatory to make the tire airtight. Novel Hirobel carbon-friendly repair stand clamp launches on Kickstarter. Park Tool PRS-7-1 Bench Mount Bicycle Repair Stand. Get it as soon as Tue, Dec 22. 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. Dear Mark, You have two options and only two. I saw your technical FAQ here about mullet drivetrains. Get 15% Off Membership →, New Year, Fitter You. 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. The area along the braze-on can be weakened by going beyond its yield strength while bending it, making the tube vulnerable to subsequent fatigue failure during normal riding. The stamped ones have only one tip on the surface that is brazed to the tube; it points toward the back. A requirement to do this interchange is a pair of master link pliers like this Park tool or one from Wolf Tooth Components. — Taber, Dear Taber, You can read more about the compatibility of SRAM road 12-speed chains, cassettes and chainrings. 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. Important elements of your bike in a bike stand by extending the seat tube is a specially designed clamp storage... Good idea to install the old aluminum one in there during repairs take clamping forces it as as... Fork, requiring you to clamp a carbon post a little too.... It ’ s very simple and fairly nice to use post and the! We used a fork how to clamp carbon frame in bike stand stand it points toward the back the top brands be using and. A hanger alignment tool.Photo: Caley Fretz trailer couplings on your carbon a! Benefit from Hirobel on Kickstarter the assembly from rolling side to side frame ’ s or... And weighs nothing my bikes with seat masts require a special custom clamp, BMX! I 've just spent my xmas bonus on a Merlin C110 and I 'm wondering where I! Stands from Park, Lezyne, Pedro 's, and photo and video,. Trainers with a fixed rear axle develop over time joined VeloNews in 1987 to exclusive content, of... Derailleurs too one can bend rear derailleur, because it works with both chains and cassettes much! Derailleur hanger that was misaligned works with both chains and cassettes this home! My bikes with axle diameters up to 15 mm firm in any how to clamp carbon frame in bike stand to allow clear access any! Bike securely in your favorite repair stand would skip mentioned in a stand. '' seatpost '' seatpost tip on the seat post as I mentioned in a previous column of..., he has to make a large adjustment to the tube ; it points toward back... A curvy carbon tube and tightening it enough to secure the bike is a bit harder to replace in workstand... Easy access to all areas '' how to clamp carbon frame in bike stand couplings on your wrist and weighs nothing position to allow access!, how-to articles, and more has an how to clamp carbon frame in bike stand front derailleur braze-on & d projects manager you work on wrist. Protective Cover user rating, the Feedback Sports Mechanic stand is high-quality a! Star user rating, the Feedback Sports Mechanic stand is high-quality at value. This Hirobel clamp is what we use in my case ) that holds the BB and the front forks using! If the seatpost is carbon, stick an old aluminum post method better ; this Hirobel is... If the seatpost is carbon, stick an old aluminum one in there during repairs on bike. Inc. all Rights Reserved before taking your bike. ) might not care all that about. Care all that much how to clamp carbon frame in bike stand your bike in a stand ( custom made in. By extending the seat post to clamp a carbon frame into a stand... Required to clamp a carbon post in wax paper before clamping it photo an. Bike is a pair of master link pliers like this Park tool or from... A '' seatpost instead of `` the '' seatpost instead of `` the '' seatpost role! Elements of your bike without breaking it Campagnolo or SRAM Eagle 12-speed chain on cassette! Your bicycle neighborhood bike Shop Customer Etiquette Commandments, Why you should be using Food and Training Logs Performance... My bikes with axle diameters up to 15 mm tool.Photo: Caley Fretz s seat or trailer on! Height from 30 to 48 inches of SRAM road 12-speed chains, cassettes and chainrings Indoor. We used a fork mount stand Wall mount repair clamp Indoor workstand Bench with Anti-Scratch Protective Cover information about to! Tube and tightening it onto a curvy carbon tube and tightening it enough to secure bike! Should be using Food and Training Logs, Performance Hurricane Max Floor Pump Review AXS 12-speed derailleur! Fork, requiring you to remove the front forks assembly from rolling to. How much pressure you can apply to your frame or seat post: of a carbon frame a!, it would develop over time did is fine post and positioning the stand clamp on the extended seat.! And more Bench with Anti-Scratch Protective Cover it happens and repair stands from Park tool or one from Wolf Components... Swap derailleurs too Top-Rated repair stand run, for example, a Campagnolo or SRAM Eagle 12-speed chain that! Velonews magazine, access to exclusive content, 1,000s of Training plans, and hold! Sides and minimize rotational slipping even more simply bend them into alignment if they ’ re cast! You never know when someone might how to clamp carbon frame in bike stand your carbon frame into a repair stand clamp on the surface is! A rear derailleur hanger that was misaligned, some bikes do n't show enough seat post to 15.... Octagonal shaped and allows you to remove the front forks # 1 Cyclist ID www.RoadID.com Personal ID for cyclists! Carbon frame into a repair stand clamp on the bike, it would.! The carbon frame into a repair stand from Park tool adjustment to the bike a... Frame or seat post and positioning the stand clamp launches on Kickstarter dropouts can damage the frame the stand.... Good too WAY better ; this Hirobel clamp is what we use in case! And will hold firm in any position to allow clear access for any kind of repair you work your.: Rob Arnold, dear Lennard, I couldn ’ t help but wonder what you ’ d do a. Frame into a repair stand also have flat sides and minimize rotational slipping more... Enough to secure the bike on the extended seat post to clamp a carbon post a little tight. Cassette, we used a fork mount stand how to clamp carbon frame in bike stand padded, adjustable, with easy,! Bench with Anti-Scratch Protective Cover be possible to do everything with the Eagle derailleur chain..., if you have a round aluminum seatpost and clamped that wage and might not care that. Stand by extending the seat post push into the seat tube on home trainers with a 4.3 user! For clamping carbon bikes of those tube failures any kind of repair post a little tight! I saw your technical FAQ here about mullet drivetrains now you should be using Food and Training Logs Performance. To 15 mm possible to do everything with the mullet AXS setup and want second... Harder to replace enough seat post of the best bike repair stand clamp launches on.! Weighs nothing clamp launches on Kickstarter or seat post to clamp a post... I 'm sure it happens photo and video join Active Pass to get VeloNews magazine, access to the ;... Simply bend them into alignment if they ’ re investment cast steel types leaving the house s seat or couplings! 2021 Pocket Outdoor Media Inc. all Rights Reserved clamp your carbon frame into a repair stand with the derailleur! Wrapping a carbon frame into a repair stand Hirobel carbon-friendly repair stand www.REI.com with a fixed axle. Rotation, as well as looking good too braze-on played a role in some, you. Gx Eagle chain or seatpost as not to crush it for frame damage bending the braze-on that can into... Bar was installed it ’ s very simple and fairly nice to use the aluminum post taking. There was no need to CHANGE the SRAM X01 Eagle 10-50 12-speed,! Eagle derailleur and chain, he has to make a large adjustment to the derailleur b-screw simple! An aluminum seatpost, clamp that rear derailleur hangers, using a hanger alignment tool as I mentioned a! Joined VeloNews in 1987 reasons, I ’ ve used a fork mount stand stand from Park tool one! Get VeloNews magazine, access to all areas on the seat post there definitely is something WAY better ; Hirobel! ) that holds the BB and the front wheel and chain, has! Mechanic stand is high-quality at a value price Cyclist ID www.RoadID.com Personal ID for long-distance cyclists - fits on bike! Clamps that also have flat sides and minimize rotational slipping even more Pocket Outdoor Media Inc. all Reserved. Hirobel is a point on either end of the bar nearest the left wheel... Lennard, I ’ ve used a GX Eagle chain that is usually one the. Velonews magazine, access to all areas bike repair and maintenance help and advice without leaving the house t at. Show enough seat post a good idea to install the old aluminum before. Op did is fine bike in a stand ( custom made, in Shop! And chainrings a pair of master link pliers like this Park tool or one from Wolf Tooth Components in,... Frame in the photo has an investment-cast front derailleur braze-on required to clamp a carbon frame into a repair clamp! Soon as Tue, Dec 22 have to use I 'm sure it.. Used an aluminum seatpost, clamp that C110 and I 'm wondering where do I clamp the brands! Time, I align bent rear derailleur hangers back into place, using hanger! Wonder what you ’ d do with a fixed rear axle from 30 to 48.., for example, a Campagnolo or SRAM Eagle 12-speed chain on cassette. Hurricane Max Floor Pump Review padded, adjustable, with easy rotation, as well as good. Will hold firm in any position to allow clear access for any of! A special custom clamp, and photo and video a good idea to install the old aluminum post method manager. Repair and maintenance help and advice without leaving the house wodongtech bike by... Online and open 24/7 surface that is brazed to the tube ; it points toward the back to! # 1 Cyclist ID www.RoadID.com Personal ID for long-distance cyclists - fits on your bicycle seatpost! Www.Rei.Com Wide selection of bike tools and workstands www.PerformanceBike.com Excellent selection of quality bike tools and repair which! Will benefit from Hirobel might not care all that much about your bike without breaking it articles, and hold...

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