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  1. #1
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    Largest Maxxis tire on 29er 2017 Jet 9.

    Hi guys, wanna try a 29er wheelset on my new Jet 9 and am curious what the largest volume Maxxis tire for clearance. Am I solid on a 2.4 Ardent?
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    Quote Originally Posted by Gutch View Post
    Hi guys, wanna try a 29er wheelset on my new Jet 9 and am curious what the largest volume Maxxis tire for clearance. Am I solid on a 2.4 Ardent?
    I'm running 2.25 Schwalbes on my 29" wheelset and there is at least 1/2" of clearance on either side front and rear.

  3. #3
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    Cool, thanks.
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  4. #4
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    Since the new Jet9 supports 27.5+ tires I would have been very surprised if the Maxxis 2.4's didn't work ... they mostly worked on my old Yeti which hard a hard time with phat or tall 2.4's - I regularly ran Ardent and Ikon 2.4's on that bike but could not run my current favorite tire (Continental Trail King 2.4 Protection/Apex) as it was too tall and milled alloy from the chainstay yoke.

    The TK 2.4 P/A works fine on my 2017 RIP9 though, zero issues. ;^)

  5. #5
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    I've run the 2.4 ardent on the rear of my Jet 9 RDO size XL. However, I noticed some slight rubbing, not sure if it was rocks getting stuck between the frame and tire or from landing hard and at an angle. Anyways, I put a 2.25 ardent in the rear without any issues. I noticed the Ikon 2.35 that came with the bike is actually a bigger tire than the 2.4 ardent. BTW, the rubbing occurs where the chainstay connects to the bottom bracket area. I put 3M tape around that area for extra protection. If you don't ride super hard, you can get away with any 3 of these tires. Good luck.

  6. #6
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    Quote Originally Posted by matixsnow View Post
    I've run the 2.4 ardent on the rear of my Jet 9 RDO size XL. However, I noticed some slight rubbing, not sure if it was rocks getting stuck between the frame and tire or from landing hard and at an angle. Anyways, I put a 2.25 ardent in the rear without any issues. I noticed the Ikon 2.35 that came with the bike is actually a bigger tire than the 2.4 ardent. BTW, the rubbing occurs where the chainstay connects to the bottom bracket area. I put 3M tape around that area for extra protection. If you don't ride super hard, you can get away with any 3 of these tires. Good luck.
    Is this on the 2017? If so I may rethink putting wider tires on.

  7. #7
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    I have ardent 2.4 tires on the rear of my 2017 jet 9 alloy and they have plenty of clearance.

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    yeah. 2017. everyone's opinion on clearance may vary or maybe even the size of the frame may vary clearance. i'd be curious to see pics or measurements of spacing. i ride hard , i have some 32h i9 enduros and they flex enough where i need good clearance to not make any contact. not saying my stans didn't flex.

  9. #9
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    i wanna say with 2.25 ardent i can shove ~10mm allen key between the seatstay and tire near the bottom bracket. with a 2.4 ardent i can fit a ~6mm allen key.

  10. #10
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    From what I remember the Ardents measure true to size so they are pretty wide. That being said it was my understanding the frame could accommodate up to a 2.6.

  11. #11
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    Here is my 2017 Jet 9 Alloy. Wheels are Sun Duroc 40 (36 mm IW). I am running the new McFly 29x2.8 up front. It measures 68 mm wide at casing and 70 at tread. It is also about 29.6" in diameter. Fits the Yari fork great. Back tire is a new vittoria goma. It is about 29.4" in diameter and 63.5 mm wide both casing and tread. It will stretch to 64 mm in a month or so. There is about 2.5-3 mm of clearance at bottom stay, plenty of room on the sides. Works for my trails no problem. I was also able to fit the McFly on the back with the niner 22 mm rims. Not a great fit for the tire rim combo, but it did fit in the rear and was about 29.5" in diameter, which is max for the Jet 9. Again, worked for me, but maybe not for others. I hope somebody tries the 2.6 nobby nic. I bet it will fit. The goma is heavy, but a great tire and oh so cheap at $25 from performance...
    Attached Thumbnails Attached Thumbnails Largest Maxxis tire on 29er 2017 Jet 9.-img_4898.jpg  

    Largest Maxxis tire on 29er 2017 Jet 9.-img_4902.jpg  

    Largest Maxxis tire on 29er 2017 Jet 9.-img_4903.jpg  

    Largest Maxxis tire on 29er 2017 Jet 9.-img_4904.jpg  

    Largest Maxxis tire on 29er 2017 Jet 9.-img_4906.jpg  


  12. #12
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    Sorry for bringing a old thread to the top, but I was hoping there was more info out now. Iím picking up a 29 x 31mm inner width wheelset and wanted to see what is the biggest option I have for our back. I have a carbon XL and was really hoping a 2.4 would be good to roll without worry. Thanks in advance!

  13. #13
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    Quote Originally Posted by telejefe View Post
    Here is my 2017 Jet 9 Alloy. Wheels are Sun Duroc 40 (36 mm IW). I am running the new McFly 29x2.8 up front. It measures 68 mm wide at casing and 70 at tread. It is also about 29.6" in diameter. Fits the Yari fork great. Back tire is a new vittoria goma. It is about 29.4" in diameter and 63.5 mm wide both casing and tread. It will stretch to 64 mm in a month or so. There is about 2.5-3 mm of clearance at bottom stay, plenty of room on the sides. Works for my trails no problem. I was also able to fit the McFly on the back with the niner 22 mm rims. Not a great fit for the tire rim combo, but it did fit in the rear and was about 29.5" in diameter, which is max for the Jet 9. Again, worked for me, but maybe not for others. I hope somebody tries the 2.6 nobby nic. I bet it will fit. The goma is heavy, but a great tire and oh so cheap at $25 from performance...
    The Nobby Nic 29x2.6 fits my Ď17 JET 9 RDO with room to spare.

  14. #14
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    Quote Originally Posted by jpfurn View Post
    Sorry for bringing a old thread to the top, but I was hoping there was more info out now. Iím picking up a 29 x 31mm inner width wheelset and wanted to see what is the biggest option I have for our back. I have a carbon XL and was really hoping a 2.4 would be good to roll without worry. Thanks in advance!
    What size did you end up going with for a rear tire?

  15. #15
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    Right on, I just fit a 29x2.6 Rekon on 31mm rims on the rear!

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    Quote Originally Posted by Jesse845 View Post
    The Nobby Nic 29x2.6 fits my Ď17 JET 9 RDO with room to spare.
    Snapped my frame in less than 4 months. No longer have. Niner replaced, but that was second snapped niner. Will not own any more. Mine was the alloy, so maybe you will be alright...who knows....was fun while I had it.

  17. #17
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    Sucks about the frame


    I do have a question regarding the 29 2.6 tires. Wonít these ride pretty much like a plus tire? Iím getting ready to get a pair of 29 carbon wheels to add to my now plus wheel set

    But I can help but thinking. If just going 29 wheels and have 2.6 tires for trail rides and 2.35/ 2.2 tires for XC.

  18. #18
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    Quote Originally Posted by Five0 View Post
    Sucks about the frame


    I do have a question regarding the 29 2.6 tires. Wonít these ride pretty much like a plus tire? Iím getting ready to get a pair of 29 carbon wheels to add to my now plus wheel set

    But I can help but thinking. If just going 29 wheels and have 2.6 tires for trail rides and 2.35/ 2.2 tires for XC.
    I had 29x2.6Ē Nobby Nics on 45mm internal width rims on my Trek Rumblefish. It was a huge difference from 29x2.4 trail kings in 21mm rims. Thereís also a very noticeable difference in width between a 29x2.6 Nobby Nic and a 27.5x3.0Ē Nobby Nic. The 27.5x3.0Ē is not quite as tall as the 29x2.6Ē but it has a much wider profile, bigger knobs and just looks a lot tougher.
    Is your plus wheelset 27.5 or 29Ē?

  19. #19
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    Quote Originally Posted by Jesse845 View Post
    The Nobby Nic 29x2.6 fits my Ď17 JET 9 RDO with room to spare.
    Can you post a pic of the clearance? I was hoping to get that Tire.

  20. #20
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    right now Iím on 27.5+. 2.8. Getting ready to go with some carbon 29 wheels. Been thinking if itís worth keeping the 27.5+. Or just commiting to 29 wheels full time. 2.6 for trail days. 2.35 or thinner for XC days.

  21. #21
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    I bought my Jet as a 27.5+ then picked up a set of 29" wheels about 6 months in. The 29s are much better on longer rides and the 27.5s are more plush on the DH. I'm actually thinking of picking up a set of carbon 29s as well for XC and running a Minion DHF front Aggressor rear on my aluminum Ibis 938s for the enduro rides. Now what carbon wheels?

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    I went with the Raceface Next R. I never really noticed them before, but after reading a lot on them they fit the bill!

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    Quote Originally Posted by UPSed View Post
    I bought my Jet as a 27.5+ then picked up a set of 29" wheels about 6 months in. The 29s are much better on longer rides and the 27.5s are more plush on the DH. I'm actually thinking of picking up a set of carbon 29s as well for XC and running a Minion DHF front Aggressor rear on my aluminum Ibis 938s for the enduro rides. Now what carbon wheels?

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    Having rises both 29 and 27+. If you were riding Moab type tech. Which would you pick? If kinda torn between plush or rollover.

  24. #24
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    Quote Originally Posted by Five0 View Post
    Having rises both 29 and 27+. If you were riding Moab type tech. Which would you pick? If kinda torn between plush or rollover.
    Definitely 27.5s. I'm running 2.8 Minions front and rear on Race Face ARC 40s. They may be a little tougher to climb with but they more than make up for it on the descents.

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    Your riding out in Ventura correct?

  26. #26
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    Quote Originally Posted by Five0 View Post
    Your riding out in Ventura correct?
    Simi Valley east end of Ventura county. We have some good chunk out here.

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    Cut the teeth riding out at Sycamore canyon off PCH. When I was a Deputy in Ventura. I used to patrol the Knolls. Back then it was only Hummingbird. The Grudge didnít exist.

    Is there now a trail the starts up at the old Zorro cabin and drops down to the LA side?

  28. #28
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    Quote Originally Posted by Five0 View Post
    Cut the teeth riding out at Sycamore canyon off PCH. When I was a Deputy in Ventura. I used to patrol the Knolls. Back then it was only Hummingbird. The Grudge didnít exist.

    Is there now a trail the starts up at the old Zorro cabin and drops down to the LA side?
    I believe so but I'm not sure what it's called. There are several Strava segments on the south side of the 118.

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  29. #29
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    Quote Originally Posted by UPSed View Post
    Definitely 27.5s. I'm running 2.8 Minions front and rear on Race Face ARC 40s. They may be a little tougher to climb with but they more than make up for it on the descents.
    What tires are you running on 29 wheelset? If less then 2.5 then I agree completely, but hoping 2.6 is the magic combo!

  30. #30
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    Quote Originally Posted by jpfurn View Post
    What tires are you running on 29 wheelset? If less then 2.5 then I agree completely, but hoping 2.6 is the magic combo!
    2.35 Ikon/Ardent Race combo. I think the 2.6s would be the best of both worlds.

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  31. #31
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    Quote Originally Posted by Jesse845 View Post
    The Nobby Nic 29x2.6 fits my Ď17 JET 9 RDO with room to spare.
    After letting my Rekon 2.6 on 31mm IW stretch out there was only about 3mm between the out lugs and the non-drive chainstay. Under hard cornering it rubbed and definitely didn't make me comfortable when it picks up little pebbles. I installed a Aggressor 2.5 tonight and will see how it looks in the morning. First impressions are it's slightly shorter, but has larger lugs. Adding 120g out back, but I'm sure it'll provide more traction and durability. How much clearance do you have on your NN 2.6, I've love to give those a shot if I knew they provided a touch more clearance then the Rekon?

  32. #32
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    29 x 2.6 Rekon 60 TPI on 30mm inner width rims.

    First ride. Left at 35psi overnight. Pictured at 15psi. 200 pound rider.

    View of chainstays from the bottom, of seatstays from the top, and of the bike with 2.8 McFly front.

    No rubbing under hard cornering, but perhaps the Rekon is going to stretch a bit more. For now, it has enough room, IMO.
    Attached Thumbnails Attached Thumbnails Largest Maxxis tire on 29er 2017 Jet 9.-20180414_083839.jpg  

    Largest Maxxis tire on 29er 2017 Jet 9.-20180414_083907.jpg  

    Largest Maxxis tire on 29er 2017 Jet 9.-20180414_091805.jpg  

    Last edited by antonio; 04-14-2018 at 03:55 PM.

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    Hope it works out for you because I loved the performance! I would suggest pulling the rear wheel off and inspecting the inner chainstay after the tire has fully stretched. I just took a spin on the Aggressor 2.5 and you can feel the extra weight.

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    Thanks for the pics!

    Nice to see the Jet finally getting some attention on the forum

  35. #35
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    Quote Originally Posted by fiveo View Post
    Thanks for the pics!

    Nice to see the Jet finally getting some attention on the forum
    As far as I'm concerned the Jet is Niner's workhorse...Great bike.
    Niner Jet 9 RDO, Scalpel 29, XTC 650b, 04 Stumpjumper FSR Pro, Trek Rigid SS - No suspension, no gears....no problem

  36. #36
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    Quote Originally Posted by upstateSC-rider View Post
    As far as I'm concerned the Jet is Niner's workhorse...Great bike.
    Yep.

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  37. #37
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    Quote Originally Posted by jpfurn View Post
    Hope it works out for you because I loved the performance! I would suggest pulling the rear wheel off and inspecting the inner chainstay after the tire has fully stretched. I just took a spin on the Aggressor 2.5 and you can feel the extra weight.
    Agreed, considering the chainstay has less clearance than the seatstay. I'll try to post here after a few more rides.

    Also agree with comments that the Jet is a great bike.

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