conversion - Is there any kind of adapter to mount v-brakes or I acquired it as a frame and fork back in 2012. Hi, I have a 2011 Giant Trance X2 large frame. This will not work with your current brake setup. Toe overlap is never an issue until its an issue, and then it is too late. I think we will get there, with patience. or 27.5ers? Find details on the three most recent issues below, join the Bikepacking Collective to get it in the mail (anywhere in the world), or click here to find a collection of selected stories in digital format. 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. Any idea if the frame will accommodate? I didnt see it on the list but any thoughts on 26 to 650b conversion? How did you rework the bridge on your C-Dale? That bike cannot handle an upgrade to 27,5s. We asked Jan Heine, 650B connoisseur and founder of Compass Bicycle, how he decided on the Switchback Hills 48mm width, a size many other companies are now following. Dude, you have a sweet ride there and the haters can say all they want but in the end, you did your research and now you have a more comfortable and versatile bike to show for it. Any thoughts, suggestions or just stay with a 26 set-up, thanks. Top and bottom 40 mm tire plus the 571 mm rim size again bring you to a 650 mm outside diameter, even though the rim was smaller. In the old days, with 20mm tires, tire drop was 3mmnot a big dealbut the Switchback Hill 48mm tire will drop about 7mm when the rider is on the bike! Jan also suggested that tire drop is independent of rider weight, and that for this type of tire, its appropriate for air pressure to be set at about 15% tire drop, almost like suspension sag. Q2: How bigga tire will I be able to fit? Zero sales in a decade. A lot of bikes are being converted to 27.5 and theres a lot to be said for doing so, but it doesnt use the full potential to be had from a 27.5 wheel. BIKEPACKING.com is dedicated to exploration by bicycle. Im curious to know if Compasss stated width for the 38mm Loup Loup is actually 38mm. First, lets start with the basics. I have a 26 MTB with a cheep rock shock fork that is frozen up so my plan is to replace it with a rigid fork and 27.5 tires I think They will fit on the rear because the chain stays arent straight they bow out up near the bottom bracket. After using the Paul Klamper on trips through Uganda, Rwanda, the US, and, recently, the Republic of Georgia, we are pretty confident in their durability. 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. The conversion of a standard 26 can come with a range of problems, such as inadequate frame clearance or geometry trouble. The brake only faintly determines your maximum tire. Cheers. The good news is that he inspired this thoughtful explanation, which lots of us can now share! I have a Scott Spark 2007 model with 26 wheels . This resulted in a greater handiness of high-quality satiny tyres in the latter sizes. Hi I have a 2009 santa cruz chameleon 4 with a fox 36 rc2 fit fork. However..he designed the bike around 700c wheels and would be astonished that you have fitted 650B, thereby upsetting all the correct design features that he had used in the frames constructions ie head angle, front end clearance, fork rake and trailall those important features that govern how a bike handles..OH! The new eThirteen TRSr 9-46 cassette is one of the widest range 11-speed cassettes out there. The morons comment appears at the end of this post, and because it is full of misconceptions and mythologies couched as expertise, Id like to thank him for inspiring this post. Then the whole frame was painted a dark gray with the appropriate lettering. As there is a 27.5 specific fork, a 27.5 wheel wont fit yor fork. I have 2010 cove shocker DH. And, aside from their stylish design, adjustments on the Klamper are the easiest of all the mechanical disc brakes weve tried. 65-75mm. 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: Its not like you cant buy 26 tyres in the latest designs Maxxiss entire range still comes in 26. For one, shorter spoke lengths make stronger wheels. (Rear). I am new to doing this and i need some help i just bought a montana mongoose with stock everything it has 26 inch rims and tires so can i convert it to a 27 inch rim and tire. 650B conversion. To clarify, there are three commonly used wheel sizes in the conventional bike market26, 27.5, and 29that are based on 559, 584, and 622mm bead seat diameters, respectively. Hi Thu, If brakes aren't an issue, the next most obvious consideration is whether or not your bike has the proper clearance for big 650B tires. In most cases, these limitations are based on the frame design, dictated by the chainstay/yoke configuration required to accomodate a typical 68mm bottom bracket shell and road drivetrain. Can you fit 26 inch tires on a 27.5 rim and fork? I dont want a new bike, I want to upgrade this one lol. convert 700c to 650b - Restoring Vintage Bicycles from the Hand Built Era Converting a 2006 Kona Coiler to 27.5 wheelsany problems? Robin. As you are saving weight on a rotating part the difference is huge! Furthermore avoid adapter sets for this purpose as they can come off in worst case scenarios. 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. In addition, smaller rims and wheels mean less metal was used to make the rims and spokes, which should translate to a lighter wheel. Click to expand. Much more than that and for a very affordable price. Here are five useful equivalents: 700C x 23mm = 668mm = 650B x 42mm To be able to use the same brakes you have, youll need to be able to move the brake pads down the radius difference, in mm. 64s will be stocked. Just how long of a reach youll need and whether you can even use your existing centermount or post mounts will depend on the dimensions of your specific frame and fork. I love being outdoors! This is why the diameter of a bikes intended wheel and tire combo should be scrutinized. I didnt see the one I have on the list. No, that is not possible, sorry. La horquilla es una Fox. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Since that time, I have done a number of other wheel size conversions, from 650c to 26 inch, and from 700c to 650c. The situation as far as tire and rim availability has lately taken a turn for the better, and the future looks rosy for 650B. Attached Images. Did you get anything ? 26er to 650B conversion. V-brake question - Mountain Bike Reviews Forum I hope it will be possible! 26 would be awesome to put 27.5 on it would ot be possible? Did you find out if its possible to fit 27,5 inch weels? I believe the geometry was very Schwinn Racer, not Masi GC, so the bike rode comfortably with toe overlap for my size 12-1/2 feet attached to my 63 frame. However, this is by no means a complete list. I have the same bike. Permitting you select a fork that has the clearance. I am thinking about trying these -- New MTB Road Bike V Brake Front set Green | eBay Anyone else run these brakes ? Search "" across the entire site Search "" in this forum Search "" in this discussion. Hi I have a 2009 santa cruz chameleon 4 with a fox 36 rc2 fit fork. Reply 05-10-17, 02:02 PM # 7 due ruote Senior Member Join Date: Dec 2006 Posts: 7,642 Mentioned: 30 Post (s) We're also open Saturdays for walk-ins, 10am to 4pm, Rivendell Bicycle Works Ever Since 1994. If you have any further questions, feel free to send us an email. There is overlap. Alternatively, if you had a 26" bike, the difference is only 12.5mm so they'd more than make up the difference. As you are saving weight on a rotating part the difference is huge! Do You Need One? The go to sidepull for these conversionsthe one that fulfills the new reach requirement more often than notis the Tektro 559 sidepull. Christine | Mantel. For reference, the diameter of a a 650B x 47mm tire equals that of a 700x28mm tire. Not having 26 wheels on hand, I installed 27 (27x1-1/14 tire size) rims and set the bike up for riding. Continue with Recommended Cookies. Thefork trail will increase a little bit, slowing the steering response down a tad. 26" to 650b conversion | Stumpjumper : r/bikewrench - Reddit Smaller wheels and tires free up more room for seat bags and handlebar bags too. It is a common way for people to get into 650B without trying to find a 650b frame. If a 27.5 rim and tire wont fit in the rear, are there extensions available to get the clearance needed? That means the radius is ______mm. Create enough clearance to support us + get The Bikepacking Journal. Not only is going to the smaller 650B diameter with large volume tires good for keeping low gearing, but it also keeps gearing roughly the same as what road riders are used to. More air and rubber, same gear ratios. Case in point, the Surly Straggler is offered in either 700C or 650B in sizes 52-58cm, 700C only in 60 and 62mm, and 650B only in 38, 42, 46, and 50cm models. The wider tires will be more durable, more "sure-footed", and give a more comfortable ride on rough pavement or under moderate off-road conditions. This resulted in a greater availability of high-quality slick tyres in the latter sizes. For this project, we used a size medium Advocate Lorax, a bike designed around 700C x 38mm tires, and an already adept gravel bike. Id challenge anyone to notice a significant difference in your speed from making this switch. Es posible la conversin a 27,5? As a shorter person you are well aware of the lack of quality small frames and show how you can make frames work better with smaller wheels for smaller people. one, however, will be built to order (but cost no extra because of it). Its kind of techy thing to do, and our explanation here requires pretty good familiarity with bikes, parts, minor math, and a moderately technical bicycle vocabulary. Its stiff and does a good job soaking up the chatter, too. There are 4 "650_" sizes in between these two extremes. Rivendell recommends no more than 70 mm, but you may be able to get away with a bit more drop if you are using shorter cranks. . Here they are: Hunt has a lot of great wheels in tons of widths and configurations, all very reasonably priced and designed to withstand adventure. we may end up putting 50mm tires on it to beef it up a hair though. As mentioned, 650B x 47/48mm tires usually have a similar diameter to a 700c x 28/30mm wheel/tire combo. Its meant to take a 650b but is that front and rear? Why is my 261.95 is bigger than 262.125. If you are going from a very narrow 622 (700C) tire to a fairly wide 584 (650B), the difference may be minimal. The best way to check that is to go by a workshop to check it. Shorter cranks means a taller seat post, which in turn means a taller stem. So if you measure that distance on your stay, from the rear axle, you should have over 58mm of room (in our opinion) for a 47/48mm 650B tire. Ditto the 65 cm. The tiny potential difference in the frame geometry is well within the variation seen by using different tires, tire pressures, weight, maybe types of headsets, or the real terrain you will see in the real world. Your Meral is stunning. Maybe it is a gut reason to look forward for a mullet bike. The image below illustrates the difference between the various sizes. (mid-90s) Mainly for delivery work. To keep the sentimental attachment, only 26 inch wheels are an option. I have a 2014 Giant XTC frame (26er) with a Suntour Epicon RLO fork. I have a 2010 888 rc3, mounted on an intense 951. Now they make the most sense for the tinkerer-on-a-budget who is not easily frustrated, and who understands everything weve said here, and wants a bicycle project, doesnt mind that it may entail a $450+ set of new wheels, money in labor and brakes, and the usual road blocks that confront you when youre trying to fit round pegs into not-quite round holes. Theres a number of lists out there, with all the frames suitable for a conversion to 27.5. (Many newer bikes have excessively high bottom brackets to begin with.). Its versatile, and you can usually get a Rival 1 shifter/derailleur/crankset for a little over $300. According to Jan Heine, You really need to factor the BB height with about 15% tire drop. CONVERTING 700c to 650B Putting 650B wheels on a 700C frame and fork. i think your complainer just isnt getting out on his bike enough . but as usual, religion to the extreme is harmful and I am happy to fight against it ! And also would I have to change front forks etc..? Between 63 and 70mm, it seems. Another misconception is that a 650B conversion causes fork shimmy. I have a GTS M7 26 2005 or 2008 bike frame, can this accomodate the 27.5 tire on the backside? Took a long time to wean her off of that crazy geometry!!!! A very short-offset fork, with a very slack head angle (and a very steep seat tube angle, plus a high BB, by the way, just to get the ST and TT numbers to look good on paper). Ive personally never found toe overlap to be anything worth worrying about. It is all going to depend on the outer diameter of your tyre. I am planning to change my present wheelset which is fitted for a 26er to a 27.5 rimset. I know that this is an odl post but I found that this is very useful and instructional! But lets say youre going from 262.00 to 65048. Is that possible to upgrade 27.5 on it. Kind regards, and happy (almost) new year! And theres , The correct saddle height and saddle position are essential for enjoyable and injury free rides on your road bike. Unfortunately this will definitely not fit with your front fork for the back, it depends on your frame size. So how do you know whether youll have enough clearance, both at the front and back? Does it make sense to change wheel size on an existing bike? There are a few other inherent advantages to moving from 700C to 650B. I dont know if there are v-brakes with longer arms. In addition, the XG-1150 full-pin steel cassette is super solid. V-brakes tend to have a bit less adjustment, but the Paul Motolites have more than enough. 650B (584 mm) Conversions for Road Bikes - Sheldon Brown This leads us to the first factor to consider before tackling a 650B conversion: the bikes intended tire size. From time to time I'm asked about off the shelf options for 650B bikes. Wheel flop is a function of head angle and trail, so you can alter wheel flop also by changing to a longer or shorter fork, and/or to a fork with less or more rake. If you use rim brakes you will need to make sure you have calipers with 12.5mm verticaladjustment. Sometimes it may. The same goes for the rear there needs to be sufficient height clearance in the rear triangle for the wheels to spin freely. Less trail almost always equals less wheel flop, which can provide improved handling for carrying front end loads. Ancient Sugoi, Simplex Tour de France Rear Derailleur Adjustment. Hi, how about Trek 6000 series is it possible to swap it to from 26 to 27.5 wheels? Buyer's Guides . I have a trek 9.8 with fox suspension and frame size 17.5 on 26 and can i upgrade to 27.5 or 29, Hi Gan, Rim Brakes on a 650 Conversion | Page 2 | Mountain Bike Reviews Forum Not going to invest in forks drop extensions. Box Three brakes are around $30 each. with a Future Shock E150 fork , please if you can tell me or anyone, am I able to convert the bike to 27,5 with , i that fork ? Now that weve covered tire diameter, its easy to see how to match the intended vertical stance of a bike. However, the 650B size never caught on in the United States, and its popularity waned in France alongside the growth and adoption of the mountain bike. i took my drop bar conversion MB-3 out the other day, and must say, i really do like the geometry and the fit with the drop bars. 650b conversion, brake ponderings - The Paceline Forum Is my Santa Cruz Nomad 2013 (L) full suspension Aluminum able to be converted from 26 ->27.5? Peugeot PX 50.jpg (16.7 KB, 3999 views) Reply. Many riders know that taller stems mean more hours of comfortable riding. Let's examine the top secret Honda bicycle gearboxes and find out how they all work. The favorable 650B x 47/48mm tires, made popular by the 48mm Compass Switchback Hill and 47mm WTB Byway, have a similar tire diameter to 70028 wheels and tires. 5 New Bicycle Gearbox Drivetrains (Revolute Hub1, 3X3 Nine, Pinion). (you also have a cool bike, btw) So, chainstay length isnt usually the issue. Now though, theres the 27.5 wheel, which for some is the best of both worlds. That would be the best way to try if it fits your bike ? They will cost you a pretty penny though. do you think putting some 27.5 on will fit? I wouldnt do that on a carbon frame but I wouldnt recommend it even if it were a steel frame. 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 Santa Cruz blurt 2015 with 26 wheels and wanted to convert to 27.5 just wondering is it possible, Hi Finn, Screw that troll, enjoy your bicycle. Back in the 1930s, the 650B Balloon, also known as 26 x 1 1/2, became popular in France for randonneurs, loaded touring bikes, and tandems. Heres the full build kit: Have something to add about your own experience converting from 700C to 650B? Rim Brakes on a 650 Conversion. The 650B size was never common in the U.S., and it went into decline even in France with the advent of the mountain bike. Youre more likely to hit a pedal on a speed bump or around a corner. They have a super long adjustment area. Converting a 26 wheel to 27 can mak a ride more smoother. Will a 700c or a 27.5 wheel fit my bike? I am concerned with my xtr rims Today, 27.5 wheels have all but taken over. For shorter riders, the use of 650B has much to do with bike fit. I have bought a Marin Attack Trail 2008. Show Us Your 650B Conversions - Bike Forums He gets loads of compliments on it. Surly Cross Check 650B conversion? - groups.google.com And, last but not least, they make packing a bike easier for travel or shipping. 26 inch (559mm) wheels were the default mountain bike size for a few decades, while 700C (622mm) and 650B (584mm) were generally reserved for road and randonneur bikes. Its not an altogether exact science, since the 700 and 650 numbers dont translate. Or maybe youre just intrigued by 650B / road plus? 12. Can I change them for 29ners? Im afraid it wont fit seeing that, but to be sure youd better check with a local bike shop. Hello everyone!! Canti brakes-equipped bikes - 650b conversion - The Paceline Forum You wont always want to use your touring bike for touring. Each issue features a collection of inspiring writing and beautiful photography. Absolutely correct. Given its modular dropout system, the Advocate Lorax is a versatile bike to tinker with for a project such as this. However, this is not the displayed value. Paul|Mantel. Most disturbing about this rant is the ridiculous concept that style trumps comfort when setting up a bike for a particular rider. Hi Jason, Switching to 650B can also reduce front wheel/toe overlap issues. The fork head tube angle has changed and its a bit twitchy, i changed stem for a shorter 30mm one, but going downhill with dropper feels awesome..looking at my old cannondale 04 jekyl might have to convert this.. That looks like a nice project! And, if a 42T big cog isnt enough, the Rival derailleur also works with a 46T cassette. BMX-type calipers and centerpull calipers will commonly have adequate reach for this application. Yeah, we went with these v-brakes due to their massive adjustability. 650B is 584mm. I agree with the other commentors and will not echo whats already been said but wanted to add a conversion of sorts experience of my own for perspective. . This year I installed a SRAM XX1..36X46. Thank you for your question. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[468,60],'sheldonbrown_com-banner-1','ezslot_2',821,'0','0'])};__ez_fad_position('div-gpt-ad-sheldonbrown_com-banner-1-0'); As if bicycle tire sizing wasn't already confusing enough, wrong-headed marketeers have recently tried to popularize a fourth designation for the 584 mm tire size! Converting From 26inch to 650B on a Touring Bike - CyclingAbout Reconversion Therapy: 700c to 650b to 700c. Thanks. Shimano groupset overview All Shimano road bike groupsets listed, How to Determine the Correct Saddle Height. I have a 2000 Gary Fisher Wahoo 26er. They get really good reviews. WATCH THIS BEFORE DOING A 650B CONVERSION! - YouTube Smaller wheel diameter = less trail. I came across a 2009 Trek 4300 for a pretty good deal ($20) that needs some tlc and was curious if doing this conversion is difficult and is it worth doing so. To establish the required brake reach, measure the reach with the original 700C wheels and add 19mm. The 650C size was originally intended for a quite wide tire, about 40 mm wide. ANy suggestions on who might sell them? The outer diameter of a262.00, a 65042 and a 70023 tyre is about the same. How-To Convert 26 to 27,5 / 650b MTB wheel size - Mantel NItto Technomic stem, sanded to French size, a la Sheldon Brown, Shimano 600 French headset. When you convert from 26" to 650b, the change in the radius of the rim is (584mm-559mm)/2 = 12.5mm. A bicycle made for 584 mm road tires, on the other hand, may or may not not have clearance for the fat knobbies. Best regards, Simone. Has anyone done this on such an old bike? There are rumors that its sometimes possible with BMX-style and centerpull calipers and, but thats beyond the scope of this article. When comparing a 650B rig with 2 tires and a 700C bike with 2 tires, the latter will require a lower granny gear to climb the same hill in the same cadence while loaded down with bikepacking equipment. Figure out the blanks and youre on your way. Rake and Trail, drawing courtesy of Dave Moulton. If you need to buy a frame, buy a disc frame or a complete bike. 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. There is at least one error with his comment no French builder, large or small would ever let a bike with toeclip overlap leave their workshop or factory as it is just flat out wrong. The new Shimano CX brakes work great, Velocity Synergy rims. And if a 32 clears but just barely, whats the point? They feature a 20mm inner width, tubeless ready rim with a hookless bead, and an asymmetric spoke design for toughness and durability. You can get by with 1mm, but your wheel may not stay perfectly true forever, so well, 10mm (for a 5mm per side) clearance is our recommended minimum. If you really need so much seat pillar projecting from the seat cluster and such a high riding position, I suggest you get a frame that is more appropriate to your inner leg and body length. Don;t follow the latest fad. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Probably not, and if you cant, youll need to get brakes with a longer reach. Hi Dave, 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. Thanks for all your help guys and gals! I dont know if this is the right place to ask or if Im asking the right questions but the local shops near me have been very unhelpful. Agreed, Jim.