Poll: Summer singletrack new parts?

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  1. #1
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    29 x 2.8 or 26 x 4.0 tires for summer singletrack?

    Currently have a 2017 Fatboy Carbon, it's my only hardtail but I also have a full suspension trail bike.

    I love riding the Fatboy on singletrack with 4" Fast Traks, but I'm kinda tired of getting beat up by the rigid fork, and the Stout wheels are way too heavy and they make tubeless a PITA. So I need a suspension fork and a set of wheels for spring, summer, fall riding. That puts me at an impasse...

    A Reba with 29 x 2.8's? (I already have a spare set of 30mm 29r wheels, I will need to lace a new 197 rear hub on them)
    or
    A Bluto with 4" Fast Traks on a new set of 65mm carbon wheels?

    I'm fine with the carbon fork and Stout wheels on 4.7" tires and tubes for groomed riding. My only consideration is summer riding.

  2. #2
    Fat Is Where It's At Moderator
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    Why not getting the Bluto and a set of B+ wheels.

    My summer setup is Bluto with 26x4 so my vote is biased.

  3. #3
    rth009
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    I would get Bluto (or better yet, Mastodon) and a set of 29+ wheels. Then you can use the suspension with 26 x 4 in the winter and have suspension and 29+ the rest of the time. I have that setup for my fatbike.

  4. #4
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    I think it would just be easier to get another bike.

  5. #5
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    Nice to have a 150 spaced fork for the rare (or not?) occasion when you want sus and fat tires, too.

  6. #6
    All fat, all the time.
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    Quote Originally Posted by rth009 View Post
    I would get Bluto (or better yet, Mastodon) and a set of 29+ wheels. Then you can use the suspension with 26 x 4 in the winter and have suspension and 29+ the rest of the time. I have that setup for my fatbike.
    This (I went B+ not 29+), but yeah, summer riding is faster on 3" tires for sure. Nice to have the option to fit fat into a girl though.

  7. #7
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    26 x 4.8 is faster and smoother.
    Lucky neighbor of Maryland's Patapsco Valley State Park, 39.23,-76.76 Flickr

  8. #8
    RAKC Industries
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    Quote Originally Posted by shoo View Post
    26 x 4.8 is faster and smoother.
    On what, snow and sand. 4.8 fat tires are faster compared to about nothing. Climbing is slower than anything but overly knobby 29+ tires and takes a JJ to even that out.

    Summer time nothing wrong with 3.8/4.0 like JJs or something similar, or B+/29+ route. After riding other options you find out real fast how much 26 fat on monster tires is not faster unless in snow/sand/mud.

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  9. #9
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    Quote Originally Posted by RAKC Ind View Post
    On what, snow and sand. 4.8 fat tires are faster compared to about nothing. Climbing is slower than anything but overly knobby 29+ tires and takes a JJ to even that out.

    Summer time nothing wrong with 3.8/4.0 like JJs or something similar, or B+/29+ route. After riding other options you find out real fast how much 26 fat on monster tires is not faster unless in snow/sand/mud.

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    Still my favorite way to go, nevertheless. Fat is just more fun to me.
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  10. #10
    RAKC Industries
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    No arguements there, FAT IS FUN. Why I went plus, fat without the killer weight penalty

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  11. #11
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    Quote Originally Posted by RAKC Ind View Post
    On what, snow and sand. 4.8 fat tires are faster compared to about nothing. Climbing is slower than anything but overly knobby 29+ tires and takes a JJ to even that out.

    Summer time nothing wrong with 3.8/4.0 like JJs or something similar, or B+/29+ route. After riding other options you find out real fast how much 26 fat on monster tires is not faster unless in snow/sand/mud.

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    Its in the legs, not the tyres
    plus for me its smiles per miles that are important
    always mad and usually drunk......

  12. #12
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    Quote Originally Posted by RAKC Ind View Post
    No arguements there, FAT IS FUN. Why I went plus, fat without the killer weight penalty

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    How much actual weight savings are there? My 4.7s weigh about 1200 grams a piece. I'm guessing B+ tires have to be around 1000+ grams each, no?
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  13. #13
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    Quote Originally Posted by DirtyHun View Post
    How much actual weight savings are there? My 4.7s weigh about 1200 grams a piece. I'm guessing B+ tires have to be around 1000+ grams each, no?
    Rims are also likely around 200g lighter

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  14. #14
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    Quote Originally Posted by crankpuller View Post
    Rims are also likely around 200g lighter

    Sent from my Pixel 2 XL using Tapatalk
    Even so, maybe a total of a pound less overall?
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  15. #15
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    Quote Originally Posted by DirtyHun View Post
    Even so, maybe a total of a pound less overall?
    There are plus tires out there that are in the 800g range. Save 400g on the tire and 200 on the rim and you are approaching 1.5 pounds per tire/wheel, so 3 lbs on the bike.

  16. #16
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    I voted, but actually wouldn't do either of those options. First, there is only 1 29x2.8 tire in existence. Plenty of 3.0 and a few 2.6 options though.

    First, I would opt for a 150mm spaced fork, like Mike said. That way everything is comparable, so you could run winter wheels with the suspension fork, or summer wheels with the rigid fork. If you are over 180lbs and ride aggressively, get a Mastadon over a Bluto.

    Next, have you considered 27.5 fat? There are a number of 27.5x3.8 tires that are great for non-snow riding. They have a lot of the cush of a full fat, but are faster and lighter than most full fat setups. Opt for a 50mmish rim, and they end up around 3.5"-3.6" wide.

    If not 27.5 fat, I'd go 29+. You mention 30mm rims that you have, are you talking inside or outside width? If that's inside width, they're on the small side. Would probably be OK with a 2.6 tire, but not with a 3.0.

  17. #17
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    I can see why some folks would go 29+. I guess I just find fat worth the weight. Three pounds would be a huge savings, and I do like the idea of lighter rotating mass. That said, I'll probably just opt for lighter, 80mm full fat wheels. Not a suspension lover anymore, either, so I'm definitely of no use with opinions there.
    2016 El Oso Grande
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  18. #18
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    I don't think you could go wrong with either and as people have pointed out, get a 150mm spaced Mastodon so you can have suspended fat when you want or need it. Personally, I think you could choose either as long as 27.5+ is not considered as I think it has no redeeming qualities.

  19. #19
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    fat late fall thru late spring, plus for the summer and fall.

  20. #20
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    Quote Originally Posted by rth009 View Post
    I would get Bluto (or better yet, Mastodon) and a set of 29+ wheels. Then you can use the suspension with 26 x 4 in the winter and have suspension and 29+ the rest of the time. I have that setup for my fatbike.
    I like this suggestion! This way you can ride both (either?) in the summer depending on how you're feeling and what trail you're riding.
    Ryan Harry
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  21. #21
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    Quote Originally Posted by PornstarRyan View Post
    I like this suggestion! This way you can ride both (either?) in the summer depending on how you're feeling and what trail you're riding.
    I have a similar set up on my fat bike but no sus forks. But I have 29+ and then 26 fats on 80mm rims.

    Fat is a lot more smiles per mile than rigid 29+ (which is more for path, gravel, pavement etc, ditched the road bike), but I have my b+ hardtail for all smiles for trail use the rest of the year.

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  22. #22
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    Choices smoiches: No matter what, I'd rather look at the 4.8 JJ on my fatty everywhere. I've come to think that skinny tires remind me of skinny skis, and I feel sorry seeing anyone on skinny skis.
    Dash Pt. State Park (Tacoma), Big Sky Montana during Snowboard Season, Duluth Mn, a couple of times of year incl. Xmas.

  23. #23
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    delete
    Last edited by BlueCheesehead; 04-12-2018 at 11:06 AM.

  24. #24
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    It sucks that itís almost impossible to obtain an ok $200-400 factory built conversion wheelset (150/197 mm.)


    BD is usually sold out if you go to checkout and the Framed Minnesota is overpriced for what they are.
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  25. #25
    sluice box
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    My wheels:
    26x80 Fat 4.6 (winter studs with Dyno)
    26x44 Fat 3.8 (beach)
    27.5x44 b+ 3.0 (summer single track)
    29x44 9er+ 2.6 (summer touring with Dyno)

    This is for my do it all bike. I do have a bar/commuter bike and a road touring bike also.
    ptarmigan hardcore

  26. #26
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    The point the OP made that stood out to me is he said he was tired of getting beat up! A suspension fork will definitely help with that, but anything less than fat in back is gonna ride rough compared to fat. I think the 4 inch fat and suspension fork will be a happy place for the OP. He has the skinny boinger to ride if he wants speed. I ride a full fat hardtail year round in the desert and it's been great!

  27. #27
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    Quote Originally Posted by RAKC Ind View Post
    On what, snow and sand. 4.8 fat tires are faster compared to about nothing. Climbing is slower than anything but overly knobby 29+ tires and takes a JJ to even that out.

    Summer time nothing wrong with 3.8/4.0 like JJs or something similar, or B+/29+ route. After riding other options you find out real fast how much 26 fat on monster tires is not faster unless in snow/sand/mud.

    Sent from my SM-G950U using Tapatalk
    On undulating, sometimes steep, rocky, rooty Mid Atlantic single track my experience is that 4.8 on 100mm rims is smoother and faster than 3.8/4.0 tires by a good margin.

    I have ridden with some very fast people on high zoot 29er's and have never felt at a disadvantage except descending really gnarly steep chutes.

    Cheers!
    Lucky neighbor of Maryland's Patapsco Valley State Park, 39.23,-76.76 Flickr

  28. #28
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    Quote Originally Posted by shoo View Post
    On undulating, sometimes steep, rocky, rooty Mid Atlantic single track my experience is that 4.8 on 100mm rims is smoother and faster than 3.8/4.0 tires by a good margin.

    I have ridden with some very fast people on high zoot 29er's and have never felt at a disadvantage except descending really gnarly steep chutes.

    Cheers!
    I think it also depends on the tire. A 4.8 Vee XL is about the slowest tire I've ever been on. The Jumbo Jim or D5 maybe not so slow.
    Latitude 61

  29. #29
    Oslo, Norway
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    I'm setting up JJ 4.8 on 80mm for (the little) singletrack riding that I will be doing and JJ 4.0 on 100s for destroying folks self confidence on gravel, where I spend most of me time as the single track around here (Oslo), Norway) is mostly muddy, slimy and generally unpleaseant in the spring/summer/fall.

    The rims weigh the same, but 4.8 on 80s provide cush and rim protection and 4.0 on 100s weigh less and roll fast as f.
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  30. #30
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    If you have a full suspension bike, but want a way to comfortably ride your fatty in the summer, the easiest and least expensive option is buy a suspension for and continue to ride the wheels/tires you have.

    Get a Mastodon, itís the best fat suspension fork available.

    Friends donít let friends buy Blutos.

    All that said, it might be more efficient to buy a different bike, one that comes with a Mastodon and BFat wheels.

  31. #31
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    Prefer 26 x 4.8 when our local trails aren't muddy. On a rigid bike the undamped rebound of 4.8s seems to put energy back into the ride that's lost with suspension and/or narrower tyres.

  32. #32
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    I stick with my 4.8 Barbegazzi's...no reason to go smaller just because it's summer.
    In fact they shine in the Summer.

  33. #33
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    I went from 27.5"x2.8" to 26"x4.0" the ride was so much fun.

  34. #34
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    Quote Originally Posted by bikeny View Post
    First, I would opt for a 150mm spaced fork, like Mike said. That way everything is comparable, so you could run winter wheels with the suspension fork, or summer wheels with the rigid fork. If you are over 180lbs and ride aggressively, get a Mastadon over a Bluto.

    Next, have you considered 27.5 fat? There are a number of 27.5x3.8 tires that are great for non-snow riding. They have a lot of the cush of a full fat, but are faster and lighter than most full fat setups. Opt for a 50mmish rim, and they end up around 3.5"-3.6" wide.

    If not 27.5 fat, I'd go 29+. You mention 30mm rims that you have, are you talking inside or outside width? If that's inside width, they're on the small side. Would probably be OK with a 2.6 tire, but not with a 3.0.
    +1
    If you're buying new wheels and tires in any case I would go for 27.5x3.8ish (Hodags, Cake Eaters) on 50mm rims. I have a set of these as well as 29+ on i40mm rims for my Wozo.

    I've found the B-lowfat setup to be more fun than 29+ on our singletrack. The 29+ is great for longer mixed rides, bikepacking, etc.

  35. #35
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    Quote Originally Posted by BIGHORN LEW View Post
    The point the OP made that stood out to me is he said he was tired of getting beat up! A suspension fork will definitely help with that, but anything less than fat in back is gonna ride rough compared to fat. I think the 4 inch fat and suspension fork will be a happy place for the OP. He has the skinny boinger to ride if he wants speed. I ride a full fat hardtail year round in the desert and it's been great!
    Getting beat up depends on the terrain you ride, too. If you're riding gravel roads or smooth singletrack, a fat tire provides ample insulation. If you're riding roots, rocks, jumps, etc... you're going to get beat up on any non-FS bike.

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