Which Hardtails can run both 27.5+ and 29 ?- Mtbr.com
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  1. #1
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    Which Hardtails can run both 27.5+ and 29 ?

    Lookig for a hardtail around $1500 for my first mtn bike in a long time...Which bikes out there can run both wheel sizes ?
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  2. #2
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    I know Salsa Timberjack can, and I am considering that bike
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    Santa Cruz Chameleon does.

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  5. #5
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    If you can run 29 why on earth would you want to use B+?

    Ok i know there's weird-birds that imagine some situation where being able to swap might be valuable. Identify all 6 where that's a feature, and ignore so many great hardtails that were designed for a specific ride character. Never mind that all the 'swappable' frames are going to be on the experience-restricting XC end of the spectrum.

    This is all to say i think you're starting with the wrong question.
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  6. #6
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    Quote Originally Posted by scottzg View Post
    If you can run 29 why on earth would you want to use B+?

    Ok i know there's weird-birds that imagine some situation where being able to swap might be valuable. Identify all 6 where that's a feature, and ignore so many great hardtails that were designed for a specific ride character. Never mind that all the 'swappable' frames are going to be on the experience-restricting XC end of the spectrum.

    This is all to say i think you're starting with the wrong question.
    We're only a few posts in, but you've already won the useless post award for the thread. Big congrats!

    OP, what size 29 and for what purpose? Based on bb height changes and trail worthiness of a tire, there are different answers. Any frame that takes a 27.5x3 can take a 29x1.75 if you just want to commute, but not all of them will take a 29x2.4 if you want the alternate trail riding ability.

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  7. #7
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    Quote Originally Posted by tfinator View Post
    We're only a few posts in, but you've already won the useless post award for the thread. Big congrats!
    Thank you. I'd like to thank the Academy, God, and tfinator for his ability to politely upstage me. Respect!


    But seriously. Identify what wheel size you want to run, figure out what frame geometry you want, and go from there. If a frame can run both wheel sizes... it's probably poorly suited to one of them. The details here are nuanced, but this is a low-value feature in the real world.
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  8. #8
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    Sorry Scott, kind of agree, just because a bike can fit both doesn't mean it can't be ridden aggressively, my 7 year old Banshee V2 Paradox can fit 2.8" B+ and 29x2.4", running B+ most definitely helps with giving a bit of cushioning in the rear, sometimes run B+ F&R, sometimes B+ rear/29x2.4" front.

    So OP, basically any 29er frame with decent tyre clearance (if it can fit a 29x2.5", you should be able to fit at least a 2.8" B+), should be able to fit a B+ 2.8". Loads of options out there that can and will do both sizes, pretty much nearly any 29er frame these days, only thing you have to watch out for is BB height, as a 2.8" B+ is only about 28.5" tall, so you get some decent BB drop happening, this can be fixed if the BB is already high or by running a longer fork.
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  9. #9
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    If your price range is 1500 then where do you expect to get the 500$ for an extra wheel set that you can only use half the time.

    Physically test ride a few tire sizes to get a feel for which tire size matches your riding style. Then spend that extra wheel set money on nicer components

    To answer your original question, everyone else has been right and thanks to the fact that they are almost the same size you can always get a 29er that will fit 27+ 2.8 or you can get a 27+ that will fit 29er 2.0. Any company that produces a frame that can run both, 27+ 3.0 tires and 29 2.4, is taking some compromises on geometry to achieve the fit.

  10. #10
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    A few Chromag models will run both but can get pricey, even with the Asian made frames.

    27.5+ isn't for everyone but its worth trying out if your frame is designed for it.
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  11. #11
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    Reasonably priced all mountain geo both 27.5+/29.
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  12. #12
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    Kona Unit, Unit X if you want gears.
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  13. #13
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    I wanted the same thing with the following-

    Boost (110/148) sizing
    Threaded bottom bracket
    Decent fork & brakes
    1x11 drivetrain

    Narrowed my choices to:
    Kona Big Honzo
    Salsa Timberjack
    Santa Cruz Chameleon

    Why do I want the option of 29/27.5+? I like to ride plus in the winter. It has it's trade offs. More traction, yet takes a little more effort to start up. Makes for a little smoother ride. Are there compromises? Yes. But it's my #2 bike.

    Oh btw, I bought the Chameleon.

  14. #14
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    Quote Originally Posted by scottzg View Post
    If you can run 29 why on earth would you want to use B+?

    Ok i know there's weird-birds that imagine some situation where being able to swap might be valuable. Identify all 6 where that's a feature, and ignore so many great hardtails that were designed for a specific ride character. Never mind that all the 'swappable' frames are going to be on the experience-restricting XC end of the spectrum.

    This is all to say i think you're starting with the wrong question.
    You know you are talking shite right? There are plenty frames that can run 27.5+ and 29 that are not XC end.

    Nukeproof Scout, Chromags, the Chameleon, Karate Monkey, Pipedream Moxie, Kona Big Honzo, Cotic SolarisMAX and SodaMAX, Stanton Sherpa 853, Swarf Spline 29, Orange P7 29 and Crush 29, Kingdom Vendetta X2, Guerrilla Gravity Pedalhead, Production Privee Shan Gt, Nordest Barbino, Pole Taival
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    Nukeproof Scout 290 Sport is 999 shipped with duties paid from CRC. Get on the email list for back in stock.
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  16. #16
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    I've been running 29 x 2.6 on my 2017 Norco Torrent. I assume current models have the same great tire clearance, just from looking I think I could fit a 29 x 2.8 no problem. And it rides great with both B+ and 29. It didn't make ExCivic's list, but the Torrent is also an all-mountain hardtail.

  17. #17
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    RollingBuffalo- There are a LOT of HT's that support either. It would be very difficult to list them all. Considering your tagline- what brands do your LBS's carry? LyNx is right, most 29er boost frames that will take a midsize tire will handle a 27.5+ (at least a 2.8). So if that convertability is a goal, I'd be looking for a bike that has a fork that can easily be changed 10-20mm with an airshaft swap.

  18. #18
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    Quote Originally Posted by 93EXCivic View Post
    You know you are talking shite right?
    Nope. Accommodating both wheel sizes seems sensible when you're buying a new bike and tires are a mystery, but basically nobody ever swaps back and forth in the real world. There's lots of options that accommodate both, but they tend to be more expensive because small scale production or a yolk is expensive to implement. This is vendors responding to market forces, not a feature for riders. A frame that was designed around a specific wheel size should be cheaper and have a more clearly defined use-case. Err... superior, in theory. Many of your suggestions bump against custom frame pricing, where the move to custom is obvious. A custom builder can work around the user's fit, handling, and geometry preferences.

    You guys should keep compiling a list of versatile frames. That's interesting and useful. I thought i was stating the obvious and have minimal interest in the discussion. No opinion on the 29/27+ frames that are out there; i build my own frames so i have my own opinions on the details.

    Ultimately this is all details and none of it matters. Which goes to my original point- you're ignoring a lot of good bikes if you only look at ones that can fit multiple wheel sizes.
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  19. #19
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    Quote Originally Posted by scottzg View Post
    Nope. Accommodating both wheel sizes seems sensible when you're buying a new bike and tires are a mystery, but basically nobody ever swaps back and forth in the real world. There's lots of options that accommodate both, but they tend to be more expensive because small scale production or a yolk is expensive to implement. This is vendors responding to market forces, not a feature for riders. A frame that was designed around a specific wheel size should be cheaper and have a more clearly defined use-case. Err... superior, in theory. Many of your suggestions bump against custom frame pricing, where the move to custom is obvious. A custom builder can work around the user's fit, handling, and geometry preferences.

    You guys should keep compiling a list of versatile frames. That's interesting and useful. I thought i was stating the obvious and have minimal interest in the discussion. No opinion on the 29/27+ frames that are out there; i build my own frames so i have my own opinions on the details.

    Ultimately this is all details and none of it matters. Which goes to my original point- you're ignoring a lot of good bikes if you only look at ones that can fit multiple wheel sizes.
    I know several people local to me that swap back and forth between 27.5+ and 29 depending on conditions and the type of riding.

    I honestly think more aggressive hardtails offer the ability to swap back and forth between the two wheel sizes then don't. I am not sure I understand what the downside to being able to run either wheel size is.

    Of course all that being said I just bought a Ragley Big Wig frame which only runs 29.
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  20. #20
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    Quote Originally Posted by scottzg View Post
    Nope. Accommodating both wheel sizes seems sensible when you're buying a new bike and tires are a mystery, but basically nobody ever swaps back and forth in the real world.
    I swap back and forth all the time. My FS and hardtail both accommodate 29" and 27.5+". 27.5+ for soft conditions, early/late season debris filled trails and rocky, loose terrain. I put the 29ers on for everything else.

    Having both options is great when you're encountering 4 season conditions here in Northern New England
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  21. #21
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    Quote Originally Posted by scottzg View Post
    Accommodating both wheel sizes seems sensible when you're buying a new bike and tires are a mystery, but basically nobody ever swaps back and forth in the real world.... you're ignoring a lot of good bikes if you only look at ones that can fit multiple wheel sizes.
    Not an expert, and certainly not a frame builder, but if nothing else I do qualify as a "real world user". And I've actually found a lot of reasons to run my 27.5+ Norco Torrent in 29x2.6 shoes, in fact for now I think I like it better that way. It does raise the bottom bracket a bit, but I found I got used to that quickly. Meanwhile, the 27.5 wheelset is ripping on my 29er Banshee Phantom.

    Admittedly, I'm not swapping back and forth often, which requires some brake adjustments every time, but the option is there and when I do.... I get a whole new kind of ride.

    There are so many good hardtails that can run both sizes that I don't think ignoring the ones that can't is a problem, if you think you'll want the option to experiment.

  22. #22
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    The RSD Middlechild can run 27.5x3 and 29x2.6. Although it is north of $1500.
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  23. #23
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    The Rurok Kanlaon can fit 27.5,27.5+ and 29. Its sold as frame only, all mountain geo

  24. #24
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    I swap regularly. I have a Salsa Timberjack and use 27.5+ early season and run it as a single speed. Swap to 29 just before I ramp up training and eventually a derailleur. Back to 27.5+ SS for late season fun rides.

    I also have a FS with only 27.5 capabilities. Love having the option of, essentially, 3 bikes in 2.

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    Quote Originally Posted by JeT442 View Post
    I swap regularly. I have a Salsa Timberjack and use 27.5+ early season and run it as a single speed. Swap to 29 just before I ramp up training and eventually a derailleur. Back to 27.5+ SS for late season fun rides.

    I also have a FS with only 27.5 capabilities. Love having the option of, essentially, 3 bikes in 2.
    Sentier 27.5 comes with 2.6" tires but has "clearance for up to 2.8Ē tires. Could this take a 29" wheel?

    Also, the rims are WTB ST i29. I thought the recommended outer width for a 29mm rim is 2.5" but the Sentier comes with 2.6". Can the i29 rim fit wider tires? If so, is it not recommend by the manufacturers?

    What is the ideal rim width for a 2.8" tire? If my nephew wants to ride with 2.8" tires, what rim size should we get? Should a 2.8" wide 27.5 tire be paired to a 30-35mm rim?

  26. #26
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    Quote Originally Posted by LyNx View Post
    So OP, basically any 29er frame with decent tyre clearance (if it can fit a 29x2.5", you should be able to fit at least a 2.8" B+), should be able to fit a B+ 2.8".
    This.

  27. #27
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    Marin Pine Mountain, I have a PM 1 and it fits 29.

  28. #28
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    Quote Originally Posted by tfinator View Post
    We're only a few posts in, but you've already won the useless post award for the thread. Big congrats!

    OP, what size 29 and for what purpose? Based on bb height changes and trail worthiness of a tire, there are different answers. Any frame that takes a 27.5x3 can take a 29x1.75 if you just want to commute, but not all of them will take a 29x2.4 if you want the alternate trail riding ability.

    Sent from my Moto G (5) Plus using Tapatalk
    i am a OTR truck driver and was going to put the bike in my truck...was considering options cause sometimes I may be riding pavement and want the larger wheel...just trying to figure it out

    Actually I am going to test ride some bikes tomorrow...I'll be trying out the Timberjack SLX and NX, Cannondale Cujo, Santa Cruz Chameleon, and some Norco hardtail...Hopefully with all those choices I can finally get a bike...I've been researching for a long time for various reasons
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  29. #29
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    Quote Originally Posted by scottzg View Post
    But seriously. Identify what wheel size you want to run, figure out what frame geometry you want, and go from there. If a frame can run both wheel sizes... it's probably poorly suited to one of them. The details here are nuanced, but this is a low-value feature in the real world.
    Im surprised you feel this way scottzg. Personally, I designed a frame specifically to accommodate different wheel sizes and I love having the ability to run b+ locally when I want the smaller more playful and agile ride and put on the 29er hoops for mile munching bike packing. There just are no compromises to this setup. Recently I was given a tip by a friend that even removes the necessity to futz with the brakes, itís so simple I canít believe I never thought of it:

    Pick a reference wheel and shim the secondary wheel set to match.

    In fact it works so well as I near that point where I can pull the shute and will downsize to much smaller portable living I expect to have only one bike (besides my Brompton) and it will most definitely accommodate multiple wheel sizes.

  30. #30
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    Quote Originally Posted by geraldooka View Post
    There just are no compromises to this setup. Recently I was given a tip by a friend that even removes the necessity to futz with the brakes, itís so simple I canít believe I never thought of it:

    Pick a reference wheel and shim the secondary wheel set to match.

    In fact it works so well as I near that point where I can pull the shute and will downsize to much smaller portable living I expect to have only one bike (besides my Brompton) and it will most definitely accommodate multiple wheel sizes.
    Not meaning to hijack this thread, but question I think relevant to folks on this thread:

    Is the futzing with the brakes when swapping between 29/27.5 due to slightly different sized hubs, or rotor thickness, or due to something else/what?

    Given how calipers/rotors are and hub standards, I was thinking the swapping would be very straightforward without any futzing. FYI, I have set of 29s coming for use with my current 27.5 hardtail, so don't have firsthand experience yet.

    Thanks!

  31. #31
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    Quote Originally Posted by kevin_sbay View Post
    Not meaning to hijack this thread, but question I think relevant to folks on this thread:

    Is the futzing with the brakes when swapping between 29/27.5 due to slightly different sized hubs, or rotor thickness, or due to something else/what?

    Given how calipers/rotors are and hub standards, I was thinking the swapping would be very straightforward without any futzing. FYI, I have set of 29s coming for use with my current 27.5 hardtail, so don't have firsthand experience yet.

    Thanks!
    That's a great question. I'll take a shot, I assume the discrepancy comes from the rotor's placement in relation to the hub rather than from any variance in the hub itself. For example, I would hope a boost hub would be standardized at exactly 110/148 across every brand, but the position of the rotors (how far out from the spoke holes) is not as defined. In my case, when I swap wheelsets the front goes on without any fuss, but on the rear I have to readjust the caliper a little every time.

  32. #32
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    thanks for the replies everyone...I ended up getting a Salsa Tmberjack...It has 27.5 tires on it but can also run 29. Name:  20190702_192010_opt.jpg
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