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. 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. I have 2006 Specialized Stumpjumper FSR Expert. 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. When I look up pictures of your bike Im afraid a bigger wheel will not fit in the frame. The slots don't allow for quite enough adjustment to get the brake pads right in the center of the sidewall, but it's close enough and I get plenty of braking power. It is not possible to convert a 2006 Iron Horse Maverick to modern components and a 27.5 wheel set. 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. Rear wheel clearance. Christine | Mantel. Would that work on this bike? Switching the modular dropouts from a 135mm/QR to a 142 x 12mm thru-axle enabled a stiffer and modernized rear end. hi i have specialize demo 8 2014 26>> can i change it to 27,5? Microshift sl9 thumbies. Consider these additional reasons. A different manufacturer which measures its products on the outside may at the same time end up with 262.15. 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. This leads us to the first factor to consider before tackling a 650B conversion: the bikes intended tire size. Is there hand brakes out there that I can buy to to replace the ones I have now so i can us the 27 in wheels ? But unfortunately, I think the local bike shops were right. size. Why are there so many different wheel sizes out there anyway? (mid-90s) Mainly for delivery work. Please need help. There are a fewreasons why 650B wheels may be agood idea for you. No, its pretty much always been true Similar issue with crank arm length. Gearing is another factor thats directly affected by wheel and tire size. 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. i have the exact same bike, very curious. But clearance restrictions arent the whole story. At $350, its certainly not cheap, but you can get the TRS+ for less than $250 with the same range. I am concerned with my xtr rims If youd like to know for sure though, Id advise swinging by your local bike shop. Its versatile, and you can usually get a Rival 1 shifter/derailleur/crankset for a little over $300. 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. (Many newer bikes have excessively high bottom brackets to begin with.). Wine cork spacer for the rear fender. I dunno if its possible but Im hoping someone may have some advice. To establish the required brake reach, measure the reach with the original 700C wheels and add 19mm. Where do I measure from to see if fits. Thats something to check before you even think about buying any conversion parts. I will certainly refer to it in the future for my own potential conversions. The best way to check that is to go by a workshop to check it. Ancient Sugoi, Simplex Tour de France Rear Derailleur Adjustment. The Lorax has 63mm, which left a comfortable 8mm on each side of the tire as breathing room. Another option is shown on my Home-Made "Drop Bolts" page. Those are oddball hub sizes. Based on numbers alone, this would seem bigger than the 261.95 , but because they were measured differently, this may not actually be the case. Hola, tengo una Spec Stumpjumper FSR Comp 2008 de 26. Maybe it is a gut reason to look forward for a mullet bike. Thanks, Heather. Click here to see more about my personal IRO Jamie Roy 650B conversion. to support us + get The Bikepacking Journal. Many thanks for your question. 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. Thanks. Are Chainless Digital Drive Bicycles The Future of Cycling? In this guide, youll find all the facts and figures you need to know about 650B, learn whether your 700C bike is suitable for a conversion, and get some ideas about how to take on such a project. 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. You could use a different fork designed for 650b and run the rear wheel fixed. And for 2.1-2.2 MTB tires? Paul|Mantel. Most 26 inch touring bikes have adequate clearance for 650B wheels, especially if youre using a similar outer diameter tyre. Driven by aficionados of the classic French style bikes and gravel brevet enthusiasts, tire options started popping up. La horquilla es una Fox. Of course, some of this can be mitigated with shorter cranks, such as 165 or 170mm arms. I wonder if a 27.5 can fit. 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. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); I have an older Specialized Rockhopper Comp FS with Fox Float forks. Pelle|Mantel. As mentioned, 650B x 47/48mm tires usually have a similar diameter to a 700c x 28/30mm wheel/tire combo. Or, there are plenty of more heavy-duty options from Surly and others. Don;t follow the latest fad. More rake also = less trail, which you can determine from the above drawing by imagining the vertical line through the axis, moving forward, reducing the trail line. Hello Olivier, glad to hear you are riding your Meral. What are the factors at work that cause these changes? Thanks for all the info! If you cant figure out the blanks, this whole thing will be hard. Road , Good mudguards for your road or mountain bike will make cycling in bad weather a lot more enjoyable. Understanding Bike Fit: How Does It Work? Whether the builder considered this a necessary compromise to please a particular customer, we will never know. We and our partners use cookies to Store and/or access information on a device. Thanks for your comments! 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. 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. 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. This info is pertinent to a potential build. For $299, it seems like a great choice for a gravel bike fork. 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!! These are also known as 26-inch sizes in the USA.
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