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Thread: 27.5+ on SB95?

  1. #1
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    27.5+ on SB95?

    Anyone running 27.5+ on their SB95? I have an alloy version and would like to give it a try but chainstay clearance looks like it might not allow it...

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    I have a feeling Yeti are coming out with a new version of the current range, possibly a 27.5+ SB5c

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    Bumping this. Anyone seen or tried 27.5+ on an SB-95?
    Not on the rug...man!

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    I have not, but I'm running a 2.35 Ikon in back right now and there isn't much more room. I would guess there is no way to make it happen. The new Pivot 429 Trail is setup for both 29 and 27+; I would have to assume it would require a lot of fore-thought in production to make it work.

  5. #5
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    Not gonna work. You need boost spacing on 29er bikes typically to fit 27.5+, and even the 4.5C, which has boost spacing, is still too narrow for 27.5+. My 30 ID wheels with 2.35 Ikons have very little room to spare in the back of my SB95, no way a wider tire would fit

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    Quote Originally Posted by rpearce1475 View Post
    Not gonna work. You need boost spacing on 29er bikes typically to fit 27.5+, and even the 4.5C, which has boost spacing, is still too narrow for 27.5+. My 30 ID wheels with 2.35 Ikons have very little room to spare in the back of my SB95, no way a wider tire would fit
    Yep, I have 2.35 Hans Dampf on Enve AM hoops and under heavy load it will rub the inside of the swing arm,....also limits the travel of the front derailleur too before it's hitting tread in the climbing gear.
    SB5.5c XL M70HV EagleGold
    BearGrease Bluto XL XTR 2x10/1x
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  7. #7
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    Quote Originally Posted by some dude View Post
    Yep, I have 2.35 Hans Dampf on Enve AM hoops and under heavy load it will rub the inside of the swing arm,....also limits the travel of the front derailleur too before it's hitting tread in the climbing gear.
    Maxxis 2.4 Ardent has same problem.

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    I mounted a set of 27.5 Maxxis Ikon 2.8's on some skinny rims i had laying around today. No clearance issues albeit a bit close to the rear triangle. I lose 1/2" of ground clearance from my previous setup. I'll post back after my 1st ride.

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    "OK Folks!! Today, October 12th, I am here to say "I have been WRONG!" Before today I really thought that there was nothing that could make my Bike better......but today I discovered magic. I decided to experiment by purchasing two Maxxis Ikon 2.8 27.5+ tires and mounting them to some skinny 27.5 wheels laying around in the garage and then mounting those to my Yeti SB95 29" bike. I have a word for it: Holyshit****whatthehelljusthappenedareyou****ingki ddingme!!! MTBing just took a huge leap forward for me. Traction beyond belief, unbelievable smoothness, liveliness, speed, exponential increase in fun, maximum stability and my oversteering habit evaporated...ya...completely evaporated. I'm thinking of removing my brakes because I hardly use them! (ok...that's an exaggeration). And this is only my experience from my 1st ride!! Without the benefit of boost front and rear axles, maximised geometry and frame design or wide hoops!! Plus size is here and will take over the bike industry. If you own a 29er - try converting to 27.5+. If you own a 27.5er - try converting to 26+. If you are thinking of buying a new bike - seriously consider one of the plus size options. Magic...that's all I have to say.

  10. #10
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    Quote Originally Posted by 702Biff View Post
    "OK Folks!! Today, October 12th, I am here to say "I have been WRONG!" Before today I really thought that there was nothing that could make my Bike better......but today I discovered magic. I decided to experiment by purchasing two Maxxis Ikon 2.8 27.5+ tires and mounting them to some skinny 27.5 wheels laying around in the garage and then mounting those to my Yeti SB95 29" bike. I have a word for it: Holyshit****whatthehelljusthappenedareyou****ingki ddingme!!! MTBing just took a huge leap forward for me. Traction beyond belief, unbelievable smoothness, liveliness, speed, exponential increase in fun, maximum stability and my oversteering habit evaporated...ya...completely evaporated. I'm thinking of removing my brakes because I hardly use them! (ok...that's an exaggeration). And this is only my experience from my 1st ride!! Without the benefit of boost front and rear axles, maximised geometry and frame design or wide hoops!! Plus size is here and will take over the bike industry. If you own a 29er - try converting to 27.5+. If you own a 27.5er - try converting to 26+. If you are thinking of buying a new bike - seriously consider one of the plus size options. Magic...that's all I have to say.
    Awesome! So up to try this! What 27.5 rims are you running? How "skinny" are we talking on the 27.5s? How's the clearance with the Ikons? Can you post some pics of the clearance?

    Thanks!!!
    Not on the rug...man!

  11. #11
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    The rims are external 25mm, but after today's experiment I am upgrading them to LB 50mm. Clearance is fine. I rocked them on the trails today. 5' rock drop huck, bashing the baby heads, railing rocky corners. I took no prisoners and had absolutely no negative issues. I ran 18 psi back and 15 psi front. I weigh 165 and ride very aggressively. *NOTE* (When i say no negative issues I regress. My BB height lost 1/2". Is that bad or good?! On a few corners while peddling at speed I brushed earth where I have not before. On a 12" ledge step up I noticed that there was a noticeable stall pushing the rear wheel over requiring a bit more pedal assist. So much for negativity).

  12. #12
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    Quote Originally Posted by 702Biff View Post
    The rims are external 25mm, but after today's experiment I am upgrading them to LB 50mm. Clearance is fine. I rocked them on the trails today. 5' rock drop huck, bashing the baby heads, railing rocky corners. I took no prisoners and had absolutely no negative issues. I ran 18 psi back and 15 psi front. I weigh 165 and ride very aggressively.
    You have to post photos. I can barely squeeze a 2.35 Ikon in back. No idea how you're making a 2.8 work - curious to see it.


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  13. #13
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    27.5+ on SB95?-img_0376.jpg

    I will add that while I could hardly discern the difference between my old 2.35 tires on
    38mm hoops either visually or by hand feel. The ride difference was out of this world. Best upgrade I could imagine since the dropper post....maybe better. And I upgrade/experiment a LOT!

  14. #14
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    Quote Originally Posted by 702Biff View Post
    Click image for larger version. 

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    I will add that while I could hardly discern the difference between my old 2.35 tires on
    38mm hoops either visually or by hand feel. The ride difference was out of this world. Best upgrade I could imagine since the dropper post....maybe better. And I upgrade/experiment a LOT!
    702biff - Quick question. I tried mocking up this setup today and it looks VERY tight in the stand with a 2.8(didn't have an Ikon) and a Dually 27.5. Any more feedback on your experience on this? Also, you running an alloy or carbon rear triangle?

    Thanks
    Not on the rug...man!

  15. #15
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    Quote Originally Posted by 2dopler View Post
    702biff - Quick question. I tried mocking up this setup today and it looks VERY tight in the stand with a 2.8(didn't have an Ikon) and a Dually 27.5. Any more feedback on your experience on this? Also, you running an alloy or carbon rear triangle?

    Thanks
    I am running the carbon rear triangle. It's kinda tight but had zero issues on my first couple rides of quite aggressive riding in rough terrain. I put the same setup on my GF's SB75 and it has the same clearance. If I could I would go with 29" plus 2.8. I am ordering wider hoops soon to finish the upgrade. I have confirmation that 50mm hoops will work with my setup. Probably going with stronger 38mm carbon hoops.

  16. #16
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    I have been running a 27.5" stans flow with 25.5mm internal width and the wtb Breakout 2.5 on the rear of my all aluminum sb95 for many months with no clearance issues. The Breakout is a high volume tire, some report as big as other 2.8 tires. Love this setup and will try the new 2.6 Slaughter soon.
    27.5+ on SB95?-20160210_033026865_ios.jpg

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    27.5+ on SB95?-20161009_001329277_ios.jpg

  18. #18
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    Anybody know if a 38mm internal width rim and Ikon 2.8 tire will fit the SB95 aluminum triangle? If not, what would the max 27.5+ rim width/tire combo be?

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    Would love to hear the answer to this!

    Bump! Cheers!

    Quote Originally Posted by caldog View Post
    Anybody know if a 38mm internal width rim and Ikon 2.8 tire will fit the SB95 aluminum triangle? If not, what would the max 27.5+ rim width/tire combo be?

    Sent from my Nexus 6P using Tapatalk

  20. #20
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    DHR II 27.5 x 2.8 too wide for alloy

    I found Maxxis DHR II 27.5 x 2.8 on 30mm internal rim is too wide for alloy SB95.
    The tyre fits, but rubs with even modest cornering.

    27.5+ on SB95?-20170811_151349.jpg


    On the DHR, the knobs stick out wider than the tyre carcass.

    27.5+ on SB95?-20170811_151552.jpg
    Attached Thumbnails Attached Thumbnails 27.5+ on SB95?-20170811_151248.jpg  


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