Maybe it is a gut reason to look forward for a mullet bike. You wont always want to use your touring bike for touring. 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. I have a Cannondale f800 with headshok that would make an excellent commuter. Hi Jason, unfortunately this combination is not possible. Many riders know that taller stems mean more hours of comfortable riding. That fit the frame but the side pull hand brake dont reach the rim. Yeah, we went with these v-brakes due to their massive adjustability. 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. 26" to 650b conversion | Stumpjumper : r/bikewrench - Reddit And, aside from their stylish design, adjustments on the Klamper are the easiest of all the mechanical disc brakes weve tried. I understand the concept of upgrading forks, but as Im just getting into the sport recreationally, Im ignorant when it comes to doing such a modification. I have a 1998 specialized fsr comp and I was wondering if 27.5 wheels would fit on it. With the promise of dirt-friendly tires and a more supple ride, theres plenty to like. Rear shock is in need of changing. Your email address will not be published. 26 would be awesome to put 27.5 on it would ot be possible? There will not be enough clearance for the convertion in your current frame. Smaller wheel diameter = less trail. Your Meral is stunning. 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. 27.5/650B rims have a bead seat diameter of 584mm, and 29/700C rims have a bead seat diameter of 622mm. Click here to login, or start an account if youre not yet a member of the Bikepacking Collective. I have heard of a successful 26" conversion on a Crosscheck using this method. 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. Bicycle Touring . Good luck! Wondering if possible on a Gary fisher Joshua f1 frame from 1999. Thats all she rode, for decades Now her main bike is a 51.5 cm. But what if you wanted to ditch a bit of weight and ride faster on smoother roads? If you are going from a very narrow 622 (700C) tire to a fairly wide 584 (650B), the difference may be minimal. For instance, a 19-622 (700 x 19C) tire would theoretically have exactly the same outside diameter as a 38-584 (650 x 38B). (Rear). The result is terrible handling. Thanks, Greg. Unfortunately, most 700C drop bar cyclocross, gravel, and touring bikes have clearance restrictions well under 45mm. Measure how much space you have when you have your 26 inch tires on. Paul|Mantel, A lock for your road bike or mountain bike has other requirements than bike locks for your e-bike or city , Gravel bikes are blowing up right now! The major obstacle to switching from 622 (700C) to 584 (650B) is the issue of brake reach. Hello Liam, because I am not familiar with the Mondraker frame geometry I can not asure you that this will fit. Some of them can't even accommodate a tire wider than about 25 mm, and forget about installing fenders with any size tire! Five years in still smooth. Finally, here is the comment which inspired this post, in full and unedited, with misspellings and grammatical errors intact: As you state, the frames is well designed and its construction very well crafted; it was mostly likely built by Francis Quillon the head framebuilder at Meral..and he would be proud of it. If your bike was designed around such a tire, or a 32-35mm tire, 650B conversion might be appropriate. Stop the flipping pseudo science already! WATCH THIS BEFORE DOING A 650B CONVERSION! 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, whats the proper BB drop for 47-48mm road plus tires? 700C vs 26 Inch Wheels for Bicycle Touring Not a "brand ambassador", and make no money from them. I have 2006 Specialized Stumpjumper FSR Expert. Why are there so many different wheel sizes out there anyway? In addition, the XG-1150 full-pin steel cassette is super solid. With a 650B x 42mm tires, youll want a bit less BB dropideal would be 63mm. The Lorax has a 75mm BB drop, which is a little low. There used to be castings that were designed to fit over existing brake studs and stiffen frames that had too much side-to-side flex for the cantis to be effective. hi i have specialize demo 8 2014 26>> can i change it to 27,5? SRAM MTB Groupsets Hierarchy An overview of all SRAM Mountain Bike Groupsets. He did use the honjo fenders meant for one of my bikes. I have a quick question how wide do the Loup Loup tires actually measure with calipers? Way better than 83.! I have a 2006 Gary Fisher Trax Fat Possum. I think we will get there, with patience. The difference between 700c (622mm) and 650b (584mm) is 19mm, and the remaining 3mm is usually within the adjustability of the brake calipers. But unfortunately, I think the local bike shops were right. The most common and appropriate 650B conversions involve a 700C bike built around 25-30mm tires. Continue with Recommended Cookies. Its stiff and does a good job soaking up the chatter, too. And, for many riders under 5 feet tall, the smaller diameter of 650B might feel more comfortable. Basically buy a new bike (preferably from us) is what I get out of them. This is why the diameter of a bikes intended wheel and tire combo should be scrutinized. If its not Ill stick to my 26. 650B tires, such as the popular 47mm Byway or 48mm Switchback Hill, will have a diameter of about 678-679mm, approximately the same as a 700C x 28mm wheel/tire combo. The brake only faintly determines your maximum tire. Hi Dave, 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. Converting a 26 wheel to 27 can mak a ride more smoother. Why are rims with a 622mm bead seat called 700C and ones with a 584mm bead seat called 650B? For reasons cited above and more, this isn't the bike. Switching to 650B will lower the bottom bracket a bit, making for easier mounting/dismounting. Hi. Videos, Converting From 26inch to 650B on a Touring Bike. Path Less Pedaled 148K subscribers Subscribe 589 Share 42K views 4 years ago Should you convert your bike to 650b? According to Jan, For a 650B x 48mm Switchback Hill, youll need a 70mm bottom bracket drop to achieve the road standard BB height of 265mm. Using narrow 650B tyres has less of an effect on frame geometry than a narrow 26 inch. Shorter cranks means a taller seat post, which in turn means a taller stem. 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. do you think putting some 27.5 on will fit? For this project, we used a size medium Advocate Lorax, a bike designed around 700C x 38mm tires, and an already adept gravel bike. Kind regards, There are 4 "650_" sizes in between these two extremes. The manufacturing costs of high-end tires like our Compass tires are too high to make suitable for production bikes, but now that others offer OEM-spec tires in this width, we are seeing many production bikes designed around wide 650B tires. Hello, I have a 2014 mondraker summum pro will that fit a 27.5 wheel set? A particularly easy to read guide is available at Rivendells site. In addition, they are extremely versatile. We and our partners use cookies to Store and/or access information on a device. A 29er then rolls over obstacles more easily. While 26 slicks are generally only available in 32, 38 and 50mm widths, 650B is available in 32, 38, 42 and 48mm widths. What was needed to do so, Please let me know. Or, there are plenty of more heavy-duty options from Surly and others. We're open during the week by appointment only, click here to make one. Hi Chris, Be safe! Just as a 700C wheel is the same diameter as a 29 (29er) wheel, 650B shares the exact same rim diameter as 27.5. Hi Benjamin, This seems possible, you cannot place really wide tyres on it afterwards though! And, last but not least, they make packing a bike easier for travel or shipping. Inside The Revolutionary Honda Bicycle Gearboxes (All 3 Generations). The diameter of a 700c rim, roughly at the braking point, is 622mm. Im curious to know if Compasss stated width for the 38mm Loup Loup is actually 38mm. 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. If you have a racing-type bike of good quality, but wish to make it more versatile, sturdy and comfortable, converting to 650B may be just the ticket. I have a Scott Spark 2007 model with 26 wheels . 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. I didnt see it listed in the blog. In short, its a wheel size in between 26 and 29. Before we dive into the details about converting a bike to 650B, lets talk a little bit about the platform and who 650B is best suited for. 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. If thats what you got, you have three options: Use the same hubs, have a new hub made to those old dimensions, or spread your frame to 130mm or 135mm, which is about a $50 medium-risk job at a competent bike shop. Today, 27.5 wheels have all but taken over. The 2023 KOGA WorldTraveller Touring Bike: Tougher and More Capable! Furthermore avoid adapter sets for this purpose as they can come off in worst case scenarios. Im still using 26 inch wheels built by merlin cycles when they where in Ormskirk lancs, XT hubs mavic 230 SBP rims. 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. Thanks They have a super long adjustment area. Even so, we knew going into it that this wasnt the perfect bike for road plus tires, but it would work with shorter cranks. Tektro CR720 cantilever brakes have a decent amount ofadjustment and are known to work. But lets say youre going from 262.00 to 65048. Zero sales in a decade. Christine | Mantel. The canti bosses on a Crosscheck. 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. Unfortunately this will definitely not fit with your front fork for the back, it depends on your frame size. That bike cannot handle an upgrade to 27,5s. 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. 650B Retrofitting Issues The major obstacle to switching from 622 (700C) to 584 (650B) is the issue of brake reach. Did you find out if its possible to fit 27,5 inch weels? Are derailleur and gearbox drivetrains the pinnacle of whats possible? Parts manufacturers followed suit. Most notably, in the bikes standover height and toe overlap. Understanding Bike Fit: How Does It Work? Hello everyone!! There may be other sources on the internet, but here is oursand it is 100 percent true. Mafac Raid brakes-to supply adequate reach to the 650B rims. 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 have a 1986 stump jumper with 26 wheels . Not having 26 wheels on hand, I installed 27 (27x1-1/14 tire size) rims and set the bike up for riding. I have a 26 in huffy durasport. Rim Brakes on a 650 Conversion. Robin. Hello, I have gt force 3 from 2011, will that fit 27,5 anykind? Hi Freddie, 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. 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. In addition, 46T is about as big as a Rival derailleur can go. Please can i convert my bike rockrider 520 s 2015 ?and thank you so much. Toe overlap is a term for shoe interference from the front tire, usually experienced at slower speeds when pedaling technical terrain or during maneuvers that require tight turning. I want to run 27.5s on my old Salsa ti frame. If there was a 990 plate with a narrower stud spacing it might be a good match. I can only find a picture of your bike from the side. I acquired it as a frame and fork back in 2012. Thanks, Heather. I was looking to also move from a 26 to a 27.5 and do not know if it is possible. We handpicked all the components to create a 650B bike specifically for gravel bikepacking. Some people adapt well to a small amount of overlap, but ideally there should be none. What are the factors at work that cause these changes? 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. 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.