When I finally sold the bike, it was purched for a boy of about 11-years old and of average proportions who loved the bright yellow color. Unfortunately this will definitely not fit with your front fork for the back, it depends on your frame size. Shimmy is often a result of the wrong combination of fork rake, trail and head angle..compounded, without doubt by using the wrong wheel size. The 650C size was originally intended for a quite wide tire, about 40 mm wide. PSA: Box Components v-brakes have enough adjustment to run 650b wheels I have heard of a successful 26" conversion on a Crosscheck using this method. Hi Nola, I own a 753 Meral racing bicycle from 82. La horquilla es una Fox. Personally I dont think so ,.. Since that time, I have done a number of other wheel size conversions, from 650c to 26 inch, and from 700c to 650c. The frame is quite old so i doubt it will be possible unfortunately. Before the current trend of new 650B production drop-bar bikes, 650B was largely relegated to small frame builders, randonneuring enthusiasts, tinkerers, and folks interested in converting older road bikes to get some of the big tire secret sauce. A different manufacturer which measures its products on the outside may at the same time end up with 262.15. I have the same bike. Heres the full build kit: Have something to add about your own experience converting from 700C to 650B? Hi Jessie, Also I know this is different but how do i know weather to get a straight or tapered steerer for my bike, do they all fit any bike? This will make the bike feel slightly less nimble through the corners. Hello everyone!! It was built with Vitus 788 tubing around a set of narrow, 700c rims. Sometimes form does need to follow function. I have a small specialized stumpy fsr 2013, 26er.. lovely bike but wanted to update it..I bought a rear 27.5 wheel with bolt thru hub, and had a set of 29er forks and front wheel. The derailleur and shifter are extremely solid, and it gives you a lot of options. A lot of people have heard about the advantages that larger section tires can offer, but aren't ready to take the plunge and invest in a custom bike. He did use the honjo fenders meant for one of my bikes. If its not Ill stick to my 26. The least you could do would be to buy one of those elegant Stronglight extra long headset lock-nuts that would both add about 30mms of extra grip to the quill while at the same time making the bike look less ridiculous than it does now Between 63 and 70mm, it seems. Consider it a rough guide, a survey of what it entails, not a step-by-step How To. The bmx u-brake/990 plate combination isn't going to work on my Bontrager Satellite fork with 650B wheels. Ive a voodoo Bantu Ive turned into more of an adventure bike, running the original wheel set with schwalbe land cruiser tyres. Shimano GRX groupsets An overview of all Shimano Gravel bike groupsets, Safe Bike Helmets Helmets with MIPS, WaveCel, SPIN and KinetiCore. 650b Palace has one of those lists on their blog. Converting From 26inch to 650B on a Touring Bike Does your frame still have cantilever/V-brake bosses on it? Are there V-break with longer arms to support to conversion from 26 to 27.5? I myself will soon belong to the sinners club of 650B converters !. Freddie Strong. It is all going to depend on the outer diameter of your tyre. If you have disc brakes you will have no problems switching out to 650B wheels. About 16mm more than the tire width. Road , Good mudguards for your road or mountain bike will make cycling in bad weather a lot more enjoyable. Wheel size conversions are appropriate for all sized riders allowing one to use wider tires and fenders. If youd like to know for sure though, Id advise swinging by your local bike shop. According to Jan Heine, You really need to factor the BB height with about 15% tire drop. No, its pretty much always been true Similar issue with crank arm length. Rear shock is in need of changing. Totally agree. Or, there are plenty of more heavy-duty options from Surly and others. Videos, Converting From 26inch to 650B on a Touring Bike. I wouldnt do that on a carbon frame but I wouldnt recommend it even if it were a steel frame. Fox 32 forks. Mid-90s type from the look of em, super cheap) but Im having trouble justifying the cost. Do You Need One? The larger the obstacle, the larger the advantage of a 29 inch wheel gets. And yes, this frame had toe overlap with the larger 700c wheels, and it was indeed designed that way something that happens when small and even medium sized frames are built around 700c wheels. We thank Aaron Goss of Aaron's Bike Repair for the photo below, a lineup of all four sizes. I am interested in perhaps one day building an old style 650b rando bike from an older steel frame and this is quite inspiring. I have tried searching the internet with no luck. Rake and Trail, drawing courtesy of Dave Moulton. Even so, we knew going into it that this wasnt the perfect bike for road plus tires, but it would work with shorter cranks. I agree, but I will say that, as someone that has and still does sell high-quality lugged-steel frames, the market for anything smaller than the smallest 700c frame (so, about a 52 cm c-t) is very near zero. The Local Overnighters Project is a unified effort to document and map one-night bikepacking routes all over the worldby locals, in their own backyards. She loves that darn thing! Years after, in 2013, it took off when almost a dozen bike companies released 27.5 mountain bikes touted to have the perfect blend of a 29ers rollover with the nimble playfulness of a classic 26 wheel. I have encountered many frames of all sizes with toe overlap. The bottle mounts are a big selling point, but it also has the right measurements400mm axle to crown, 45mm rake, and options for 100 x 12 or 15mm bolt-in thru-axles. The Velo ORANGE Blog: Converting From 26" to 650b There are even experts who argue that toe overlap doesnt matter. The frame is most probably a Special CNC 700C frame with superb workmanship, unfortunately my present purse would not allow me to have such a frame built to such a high standard. I have a 2013 Specialized Enduro Evo (26er) I know the newer versions of this bike come standard with 27.5 or 29ers, but I am not sure if that was a frame modification from the factory, or if there is enough room on my model year to make the conversion. Hi Chris, For what I can find about your bike, it seems that both the frame and the front fork are not suited for a conversion. Why is my 261.95 is bigger than 262.125. Hola, tengo una Spec Stumpjumper FSR Comp 2008 de 26. This diatribe points out how narrow minded some cyclists are adhering to the idea that if they do not personally experience something, then it must not exist. Giant xtc 1, hardtail disc brakes (2009). So, his ignorance begat some enlightening, My Velo Orange (while not a conversion) has all sorts of stem and post sticking out but by doing so, I was able to knock 5cm off of my reach. That bike cannot handle an upgrade to 27,5s. Start at our worldwide routes map to dig into our detailed guides with GPS maps and inspiring photography. If you need to buy a frame, buy a disc frame or a complete bike. The 650B option does only work for the Gary Fisher Fat Possom edition, not the Wahoo. Im curious if I can convert the 26 to 27.5. The special edition 10th issue of The Bikepacking Journal is one you wont want to miss! Comes with 262.35 wheels and Id like to convert the wheels to 27. Avoiding toe overlap is the goal of any mindful builder, but mass produced frames for small riders achieve a bad result by slackening the head tube in order to shove 700c wheels into a small frame, thus avoiding toe overlap. Image: BlueLug How will upsizing affect your frame geometry and handling? Understanding Bicycle Frame Geometry Kind regards, But, much of the draw of 650B is that it enables the use of wide tires while maintaining a smaller and more manageable tire diameter. If you have any further questions, feel free to send us an email. The new Shimano CX brakes work great, Velocity Synergy rims. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); I have an older Specialized Rockhopper Comp FS with Fox Float forks. I know that this is an odl post but I found that this is very useful and instructional! Id challenge anyone to notice a significant difference in your speed from making this switch. 26 edge ( 559mm ) wheels were the default mountain motorcycle size for a few decades, while 700C ( 622mm ) and 650B ( 584mm ) were generally reserved for road and randonneur bikes. Since the 584 rim has a radius 19 mm smaller than the 622, you will need to replace your present brake calipers with some that have an appropriately long reach. If you could contact us through our customer service and provide us with a few more details and/or images, we may be able to help you even better. Any idea if the frame will accommodate? Toe overlap is never an issue until its an issue, and then it is too late. You want to just pop on some 650b wheels onto your 700c frame/fork. Those are oddball hub sizes. Not a "brand ambassador", and make no money from them. In addition, smaller rims and wheels mean less metal was used to make the rims and spokes, which should translate to a lighter wheel. Please need help. I received all two of the ones that were built, when I purchased the brand! . 650B rims have a radius thats 19mm smaller than that of 700C. You have 26" wheels which are 559mm. One of the reasons the seat post and stem are tall is because I am using 160mm cranks, which help to eliminate toe overlap. Es posible la conversin a 27,5? 650B is 584mm. First, there is the example of your Meral. Mantel. Thank you so much, youre a blessing Nola! Share Improve this answer Follow answered Mar 29, 2013 at 15:39 Daniel R Hicks Hope your leg is better. So, chainstay length isn't usually the issue. Putting 650B wheels on 26" wheeled frames with cantilever brakes is really not practical. Then the whole frame was painted a dark gray with the appropriate lettering. Much more than that and for a very affordable price. This is why the diameter of a bikes intended wheel and tire combo should be scrutinized. We sell the version with an allen-nut fitting, which works on most road bikes made since 1986 or so. I dont know if there are v-brakes with longer arms. 650B conversion | Thompson Custom Bicycles I spammed the comment, but then thought it was potentially illustrative, albeit rude and obnoxious. hi i have specialize demo 8 2014 26>> can i change it to 27,5? Please let me know and thanks in advance. It is not possible to convert a 2006 Iron Horse Maverick to modern components and a 27.5 wheel set. I think your comments reflect the sad result of the cycling industrys recent focus on the male gender and on racing, to the exclusion of all else. Way better than 83.! Figure out the blanks and youre on your way. Now that weve covered tire diameter, its easy to see how to match the intended vertical stance of a bike. Rock Shox and Magura forks arent, as the tyre will make contact with the arch of the fork. You could likely get better braking with Paul touring cantis or some v-types-Paul or otherwise-without resorting to travel agent-type workarounds. Will 27 rear wheel fit in my MTB frame? To be sure your specific bike can make the conversion I would just pop by a local mechanic if you are in doubt and new to this. A 650b/38mm wheel actually suits the dimensions of the LHT better than a narrow 26"/32-38mm wheel, which leaves gaping clearances and unfamiliar handling. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[468,60],'sheldonbrown_com-large-leaderboard-2','ezslot_3',822,'0','0'])};__ez_fad_position('div-gpt-ad-sheldonbrown_com-large-leaderboard-2-0'); Last Updated: At the moment it is a Fox RP23.. where would I pick on up? I applaud your ingenuity, inventiveness and perseverance with this build. The ability to have a light wheel set and touring wheel set. Pelle|Mantel. As tire size goes up, so does gearing. I have a Gary Fisher Marlin approx 2001 or 2002 and need new wheels. I believe your frame should be okay, but Im not too sure if your fork is compatible. That said, you will probably find theeffects of the larger diameter goingunnoticed. The go to sidepull for these conversionsthe one that fulfills the new reach requirement more often than notis the Tektro 559 sidepull. Im using an Origin8 rigid fork for the front that has IS disc tabs and a 430mm fork-to-crown distance. Biggest issue is at the top of the seat stays where the gap narrows. With that said, 650B works for taller riders as well. And, if a 42T big cog isnt enough, the Rival derailleur also works with a 46T cassette. Considering the rear tire clearance and the rear shock it is best to hop in a local bike shop if it is possible. Sometimes it may. Equipment . Oh, you might be able to make it work, but it's not optimal. Just as a 700C wheel is the same diameter as a 29 (29er) wheel, 650B shares the exact same rim diameter as 27.5. 26 inch wheels is biggest size that will fit on frame size 17.5, so unfortunately you cant upgrade to 27.5 or 29 inch. They feature a 20mm inner width, tubeless ready rim with a hookless bead, and an asymmetric spoke design for toughness and durability. I hope it is possible! In our opinion, SRAM Rival is the best bang for the buck when it comes to modern road drivetrains. The latter usually means 27.5 x 2.1 semi-slick tires or bigger XC rubber, like the WTB Nano on the Bombtrack Hook EXT-C. And road plus often refers to 47-50mm tires that are generally devoid of tread aside from small side knobs, like the WTB Byway, or have a slight texture like the tire that started it all, the Compass Switchback Hill 48mm. not forgetting the height of the bracket. The difference between 700c (622mm) and 650b (584mm) is 19mm, and the remaining 3mm is usually within the adjustability of the brake calipers. Thank you for your question. I need that extra speed so my fat ass can keep up with the 29ers . Toe overlap is an important issue for commuting riders who navigate tight turns in the rain on steep hills. You need 25mm more vertical movement. already converted front fork to a 27.5 203mm but was wondering if I purchased a 27.5 rear triangle and evo link, will the geometry line up or will I snap my frame. size, 73-degree HT, with 55 mm of rake, yielding about 45 mm of trail. You could use a different fork designed for 650b and run the rear wheel fixed. Paul Motolites will take care of the rear brakes. For the same type of tire, you need .5 .75 inches for the extra radius. Thanks Ill rather invest in upgrading it. While 26 slicks are generally only available in 32, 38 and 50mm widths, 650B is available in 32, 38, 42 and 48mm widths. Since the 584 rim has a radius 19 mm smaller than the 622, you will need to replace your present brake calipers with some that have an appropriately long reach. You can swap the fork for a 27.5 one, but then youd still be stuck with a 26 on the rear. Here are my pics of my '88 Schwinn Le Tour 650B that is also a three-speed conversion: My 650B conversion of a Peugeot PX 10! The world did not stop spinning due to my audacious acts. It means that the brakes need to be able to reach 12.5mm higher on 650b rims than on 26". Parts manufacturers followed suit. Manage Settings Hi Thu, As the wheels are 1.5 inch larger than before, your bike will stand 0.75 inch taller. But with 170mm cranks it seems OK after a few rides. Avid Single Digit 5 brakes work for me on velocity/weinmann rims. To keep the sentimental attachment, only 26 inch wheels are an option. But clearance restrictions arent the whole story. There are some cheap rotors, and brake calipers out there. A bigger wheel size makes a small onstacle less of a nuisance then a smaller wheel size. Apparently, the original Shimano 600 French headset is an absolute eyesore, when paired to the tall Nitto stem. CONVERTING 700c to 650B Putting 650B wheels on a 700C frame and fork. From memory they have something like 35mm of vertical adjustment for the brake pads, and in theory you'd need 19mm of adjustment for a 26" to 650b conversion. size. Unfortunately this will not fit Im sorry! Paul|Mantel. Rock Shocks in the front. Like the others here, Id like to know if I can convert to a larger wheel set. I am thinking about trying these -- New MTB Road Bike V Brake Front set Green | eBay Anyone else run these brakes ? Often, vintage 650B bicycles are set up as city style bikes, with minimal gears and an upright position for the cyclist. Kind regards, and happy (almost) new year! 700C to 650B Conversion, Road Bike to Gravel Rig - BIKEPACKING.com document.write(document.lastModified) Kind regards, Rides a Trek Top Fuel 9.7 SL 2018. The New Brompton Folding Bike Has 2.4 Tyres For Off-Road Terrain, Belts Are Now Better Than Chains On Bicycles (135,000km of Testing), Biking The Otherworldly Landscapes of the Jordan Bike Trail (Video). Most are limited to tires under 40mm, even. Switching to 650B can also reduce front wheel/toe overlap issues. Peugeot PX 50.jpg (16.7 KB, 3999 views) Reply. Thanks, Heather. Box Three brakes are around $30 each. Not withstanding your critics generalizations, the Meral looks like a fine example of a 650B conversion. Well, me and my travesty will see you out on the road. I dont want a new bike, I want to upgrade this one lol. On my Velocity Synergy 650b rims, these tires are about 37 mm wide running them at 46 psi rear and 42 psi front. The brake only faintly determines your maximum tire. My husband made a 650B conversion with a too big 80s japanese bianchi that did not have a great ride quality or so he moaned. Hello , i have a Specialized s works Enduro sl 2008 or 9 i dont really know now,. You'd be much better off trying 650B on a modern disc brake bike, unless you already own a sport-touring 700C caliper brake bike with sufficient clearances. It may well be possible, but it is hard to say based on this information alone. This was done for special events racing on a figure-8 velodrome. There have been some remarkable deals on new/leftover 700c disc brake bikes, and factory built 650B disc mtb wheels are very common now. I have a 2010 rocky mountain altitude full.sus carbon frame 26. I have a 2006 Iron Horse Maverick, is it possible to convert to modern components and 27.5 wheel set? With the recent flood of 650B gravel/adventure bikes coming to market, and 47-50mm road plus tires surging in popularity, you might be interested in purchasing a new 650B rig or converting the 700C bike you already have. Hello, I have a 1991 trek 7000. Oh, you might be able to make it work, but it's not optimal. There were several variations on the rim diameter and B triumphed, although Schwinn adopted 650C for their cruiser bikes for a while. 65-75mm. We took an Advocate Lorax and made the switch. My wife rides a 49-52 size (700c). 650b transformed it. Good job! Thats a lot! Hi Kyle, thank you for your question. Took a long time to wean her off of that crazy geometry!!!! "five" actually is supposed to mean "point five." Question ! But, even so, since the 700C Straggler is designed for 42mm tires, the 650B version has a different geometry. Cheers. Not to discourage you from building up a set of 650b-join the party- but that thing is pretty rad as she sits, especially with those tires. I was looking to also move from a 26 to a 27.5 and do not know if it is possible. Converting a 2006 Kona Coiler to 27.5 wheelsany problems? Many riders know that taller stems mean more hours of comfortable riding. Reply 05-10-17, 02:02 PM # 7 due ruote Senior Member Join Date: Dec 2006 Posts: 7,642 Mentioned: 30 Post (s) If you've learned a thing or two from me, consider supporting my independent resources, Bikepacking . Looking for something of the quality of Hemisphere kevlar tires but with a smaller cross section to cut rolling weight. Your blog has a focus on bicycles for smaller riders and is full of wheel size conversions. That makes the naming convention behind Compass Switchback Hill tires click, right? Hello, I am a Cannondale Scalpel 27,5 from Portugal. Maybe you can see if you can find instructions on YouTube. Any advice gladly listened to. 700C x 35mm = 692mm = 27.5 x 2.1 I can get forks, but not sure of rear. Hello, I have a 2009 Norco Bigfoot. CyclingAbout is an Elite Cafemedia Lifestyle Publisher. The most common and appropriate 650B conversions involve a 700C bike built around 25-30mm tires. I am concerned with my xtr rims Its meant to take a 650b but is that front and rear? Paul|Mantel, I have a 2006 specialized bighit 3 will it be possible to convert the rear to 27.5? How-To Convert 26 to 27,5 / 650b MTB wheel size - Mantel Both the Salsa Cutthroat and the Kona Sutra LTD (though in marketing terms theyre drop-bar 29ers) can fit 29 x 2.3 tires via the use of a 72mm bottom bracket shell. While one manufacturer measures the product on the inside and ends up with 261.95, it may well turn out to be 262.25 when measured on the outside. Paul used to offer the long version of a V brake with straight cylindrical arms, and there you could raise the pads to covert a 26" frame to 650b, say, but taking 700c down to 650b wouldn't work too well. If you have other questions on the topic, feel free to ask our customer support. This resulted in a greater availability of high-quality slick tyres in the latter sizes. Are Chainless Digital Drive Bicycles The Future of Cycling? Michael. Having some trouble locating 26 inch replacements and converting to 27 inch. It will lead to more stability during cornering but youll corners will be a bit less sharp! Does it make sense to change wheel size on an existing bike? Less trail almost always equals less wheel flop, which can provide improved handling for carrying front end loads. I didnt see it listed in the blog. Thanks in advance for spreading the word! For what's worth, the bike rides like a dream. Fortunately, I eliminated the shimmy on my initial build by using different tires I switched from the ponderous Panasonic Col de la Vie tires to the comfortable, delightful and fast Loup Loup Pass tires from Compass. I have a Trek 930. Nola A too slack head tube on a small frame will lead too excessive trail and wheel flop, making for a handling mess. In addition, the XG-1150 full-pin steel cassette is super solid. Fortunately for everyone 650B tires are far more plentiful now, too! Mostly, its the frame, and specifically, its the space available from the inside of the seat stays, chain stays, and fork blades at the point where the tire passes them. 700C x 28mm = 678mm = 650B x 47mm I and many other cyclists know the truth: toe overlap is to be avoided if possible as it can set you up to crash when you least expect it. Hi all, I recently was given a 2004 Ellsworth isis (I know different times) and love how it rides but am looking to upgrade the forks. And there are several others that can accommodate 45mm or larger rubber. And it will give a second life to this frame which had been sleeping for the last 30 years in a barn. we may end up putting 50mm tires on it to beef it up a hair though. The effect of the 650B conversion is to give one a chance to ride on wider tires, making the bike more useful and comfortable, and to provide for fender clearance that didnt exist with the larger wheel size. Hi Tom, Agreed. This will not work with your current brake setup. Here are five useful equivalents: 700C x 23mm = 668mm = 650B x 42mm Yeah, we went with these v-brakes due to their massive adjustability. So the best 700C to 650B conversions happen on frames with good spacing between the fork blades, seat stays, and chain stays. to support us + get The Bikepacking Journal. I have a 26 in huffy durasport. Wondering if possible on a Gary fisher Joshua f1 frame from 1999. Hello, I have gt force 3 from 2011, will that fit 27,5 anykind? Im afraid that a 27.5 wheel wont fit, but if you want to be really sure you could measure the space left between the fork and the tyre you have now. 12. Coincidence I was just thinking the same thing as i was looking at the Bontrager 650 thread. With the same diameter as a 700C x 28mm tire, a 650B x 48mm tire can provide all the goods without risking excessive toe overlap. I advice you to keep in consideration the space what is leftover in your frame. The Sparta also has provisions for fender mounts, internal cable routing, and room for 650b x 50 road plus tires. I've been an avid user of belt drive on my bikes for about 12 years now, and have clocked over 135,000km on these chain alternatives. Not going to invest in forks drop extensions. But in a well thought out 650B conversion, theres no need to worry about changing the fork. I measured it three times because that seemed nuts, but it is that much.