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in doing so, insulted his skills. Having some trouble locating 26 inch replacements and converting to 27 inch. Click here to see more about my personal IRO Jamie Roy 650B conversion. There is overlap. Those requirements allow us to address this efficiently but uncomprehensively. Those of us who have undertaken 650B conversions understand the brake reach, tire clearance and other considerations that must be explored when contemplating whether to convert a bike to 650B. Parts manufacturers followed suit. Measure how much space you have when you have your 26 inch tires on. I have a 2006 Iron Horse Maverick, is it possible to convert to modern components and 27.5 wheel set? The frame is quite old so i doubt it will be possible unfortunately. She has 26 wheels. Paul|Mantel. I was having trouble getting her to ride other bikes, and she said they all steered funny so I checked the trail on the old racing bike (a 49 cm. It's 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. Rock Shocks in the front. Converting From 26inch to 650B on a Touring Bike - CyclingAbout Gearing is another factor thats directly affected by wheel and tire size. 700C x 32mm = 686mm = 650B x 50mm 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. Thank you so much, youre a blessing Nola! Swapping rear triangles is practically impossible between different models of bikes (with the exception of availability of kits from some bike manufacturers). So hideous is the bike that it is now a travesty. If its not Ill stick to my 26. First, lets start with the basics. Pro 2007 would change over from a 26 to a 27.5. This resulted in a greater availability of high-quality slick tyres in the latter sizes. Conversion simply relies on a brake with 12.5 mm of vertical adjustability (half the 25mm difference between 559 and 584). 700c->650b conversion. Cantilever brakes. Worth it? : r/bikewrench - Reddit For reasons cited above and more, this isn't the bike. Curious if I can convert it to 27.5 rims. No. What makes a BB height short enough that pedal strikes and cornering will be an issue? 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 didn't exist with the larger wheel size. Can I change them for 29ners? we may end up putting 50mm tires on it to beef it up a hair though. WATCH THIS BEFORE DOING A 650B CONVERSION! Have the same bike and was hoping it is possible, I have a 2009 Hars Rock and front is close but back brace above wheel is tight!! Thanks in advance for spreading the word! If brakes arent an issue, the next most obvious consideration is whether or not your bike has the proper clearance for big 650B tires. I have had to really hunt down small higher end bicycles, but they all have 700cc wheels. And there are several others that can accommodate 45mm or larger rubber. There are other factors that influence this, but a 700c frame (your starting point) has a different BB drop than a frame thats designed for 650B wheels. It is not possible to convert a 2006 Iron Horse Maverick to modern components and a 27.5 wheel set. 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. Im curious to know if Compasss stated width for the 38mm Loup Loup is actually 38mm. It is all going to depend on the outer diameter of your tyre. 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. There is a snag though: your bike needs to be able to fit the larger wheels. Funny that you mention that. Please let me know and thanks in advance. Absolutely correct. Zero sales in a decade. 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. Converting From 26inch to 650B on a Touring Bike That would be _________mm. Your preferences may differ depending on intended terrain. Thank you for your question. I like the Soma as it rides nice and supple like the old Tange 9 series. Thatll give you 8mm of clearance on each side. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Also, I own a 60 cm, Bernard Carre built, 1973 Bertin C 37 with 170 mm cranks and medium clips. I didnt see the one I have on the list. 700C x 38mm = 698mm = 27.5 x 2.25, Generally speaking, the main reason folks are making the switch to 650B is to have wider tires, but thats just one part of the equation. Any idea if the frame will accommodate? There are a few carbon replacement forks out there now, but the Fyxation Sparta is available at the right price and with all the right features. 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. 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. Conversely, if a bike was designed around 700C x 45mm tires and you switch to 650B x 47mm, the bottom bracket will likely be far too low. A 29er then rolls over obstacles more easily. Not withstanding your critics generalizations, the Meral looks like a fine example of a 650B conversion. Last summer I built up an early 70s Japanese made Crystal road bike project that I purchased from a hoarders stash missing one of its wheels to resell. Don;t follow the latest fad. The good news is that he inspired this thoughtful explanation, which lots of us can now share! Hi Jason, unfortunately this combination is not possible. He cannot fit wider than 38mm tires which is fine. Testing . Im afraid it wont fit seeing that, but to be sure youd better check with a local bike shop. It's just that - thanks to Kirk Pacenti, the industry has adopted 650B (aka 27.5) as a mountain bike standard, it's a much bigger market, that realm runs disc brakes exclusively, and 650B disc brake rims and wheels are far more plentiful now. Let's examine the top secret Honda bicycle gearboxes and find out how they all work. (Ritchey Logic, Cannondale) Would like to go tubeless on my bike (I bought two NOS no-name titanium frames, from a local shop. Or maybe youre just intrigued by 650B / road plus? All my bikes have high Nitto stems and seatposts that stick up. "five" actually is supposed to mean "point five." I have a 2010 888 rc3, mounted on an intense 951. Better stopping power as well. PSA: Box Components v-brakes have enough adjustment to run 650b wheels on your old 26er frame. This leads us to the first factor to consider before tackling a 650B conversion: the bikes intended tire size. The 27.5 inch option is only possible for mountainbikes with a fork of Fox. Check out their 24mm IW AdventureCarbon wheels, affordable 29mm IW TrailWide, and their Dynamo specific wheels. And, for many riders under 5 feet tall, the smaller diameter of 650B might feel more comfortable. As far as I can see, the frame wont be a problem, bus to be sure you should have your local bikeshop check it. Few questions if anyone can help. Those are oddball hub sizes. Today, 27.5 wheels have all but taken over. By switching to 650B from 700C, you suddenly gave clearance enough for medium-width tires, say 35-38 mm width, and for fenders, so you don't need to be a "fair-weather" cyclist. Hello, I have a 2014 mondraker summum pro will that fit a 27.5 wheel set? How-To Convert 26 to 27,5 / 650b MTB wheel size - Mantel The world did not stop spinning due to my audacious acts. 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. She has a Guerciotti racing bike that she purchased new in 1981. But if you wantedto use 261.25on a bike designed around 262.00, you would lower your bottom bracket by about 2cm! It was built with Vitus 788 tubing around a set of narrow, 700c rims. I am 60 with a very short torso and i ride mostly in the fitness stance. The AdventureSport Disc, as used here, are a good option for 42-48mm tires. Just a footnoteno French builder, large or small would ever let a bike with toeclip overlap leave their workshop or factory.. 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. With new 650B bikes popping up monthly, now seems to be its time. My Scalpel used to be a 26, 80mm from 2012. Of course, some of this can be mitigated with shorter cranks, such as 165 or 170mm arms. I have a 2008 Trek Fuel 5.5 with 26 wheels. Other point: Old road bikes had 126mm rear hub spacing (and pre-1976 ones were usually 120mm). Totally agree. Are derailleur and gearbox drivetrains the pinnacle of whats possible? She loves that darn thing! It is tricky to confirm if it will fit or not, maybe you can try it with a 27,5 wheel setup of a friend ? I want to run 27.5s on my old Salsa ti frame. Kind regards, Hi Thu, Hi Jess, These two brands have made 650b-specific forks however. See our article on 26-inch tires for information about all of these sizes, and one more. In addition, reducing the rim diameter allows a bike to maintain better handling characteristics and react more quickly to rider input. It may well be possible, but it is hard to say based on this information alone. --> The Velo ORANGE Blog: Converting From 26" to 650b If you need to buy a frame, buy a disc frame or a complete bike. 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. Understanding Bike Fit: How Does It Work? Required fields are marked *. I have carrera vengeance 26 wheel. 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. Do You Need One? Thanks, Al. Hola, tengo una Spec Stumpjumper FSR Comp 2008 de 26. It is not only the fact there are more mid-width slick tyres, but that there aremore lightweight and high-quality options from manufacturers like Compass, Soma and Panaracer. Otherwise, you might just be trying to wade through all the marketing jargon to see if 650B is a good fit for you. Share Improve this answer Follow answered Mar 29, 2013 at 15:39 Daniel R Hicks There are 4 "650_" sizes in between these two extremes. 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. Kees walks you through the steps. In addition, 30% of the Oregon Outback route is on pavement, so this tire style is meant to roll as fast and grip as well as a good road tire would, offering of the best of both worlds. Hi Chris, As is the market for anything larger than about a 63 cm c-t size. 650b Palace has one of those lists on their blog. The bmx u-brake/990 plate combination isn't going to work on my Bontrager Satellite fork with 650B wheels. My trail went from 43 mm to 41, and my wheel flop stayed the same at 12. A different manufacturer which measures its products on the outside may at the same time end up with 262.15.