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  • Niner - Jet 9 RDO 5-Star Eagle X01 Complete Mountain Bike - 2017 - Blaze Yellow
  • Niner - Jet 9 RDO 5-Star Eagle X01 Complete Mountain Bike - 2017 - Carbon/Red

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  • Niner - Jet 9 RDO 5-Star Eagle X01 Complete Mountain Bike - 2017 - Blaze Yellow
  • Niner - Jet 9 RDO 5-Star Eagle X01 Complete Mountain Bike - 2017 - Carbon/Red

Niner Jet 9 RDO 5-Star Eagle X01 Complete Mountain Bike - 2017

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    3 Reviews


    Jet success.

    Given the significant changes Niner made to it between 2016 and 2017, we're actually surprised that the Jet 9 RDO 5-Star Eagle X01 Complete Mountain Bike wasn't given a whole new model name. It's now longer across the top, slacker up front, steeper out back, and has 20 more millimeters of Continuously Varying Arc (CVA) travel. The frame was completely redesigned in order to make it just a little bit better at everything that has made the Jet 9 such a success. Whether climbing, descending, or just exulting in pure, singletrack speed, Niner's latest Jet 9 RDO lives up to the brand's reputation as the go-to for wagon wheels.

    Before we dive deeper into the frame, though, we'll linger briefly on the build kit, which centers on ENVE HV wheels and SRAM's shiny new Eagle X01 12-speed drivetrain. With the addition of a 50t granny cog, Eagle is like a gift from on high when you find yourself out of gas, out of mettle, but not yet out of the woods, climbing-wise. The X01 version may not have the glitzy sparkle of XX1, but Niner's new Jet 9 paint scheme more than makes up for any lost bling. And anyway, the absurd versatility of the frame underneath that paint is going to end up stealing the show as soon as rubber hits dirt.

    As with most bikes in the current trail generation, the key element underwriting the new Jet 9's versatile geometry is its Boost rear axle. Bumping the spacing up to 148mm lets Niner chop 21mm off of chainstays by slamming the rear wheel up into the seat tube. The seat tube contributes to that versatility, too. Despite the fact that the 2017 Jet 9 comes with 130mm of front travel, it's got the same seat tube angle as the 2016 Jet 9 with a 100mm fork. Adding 30mm up front would typically force you out of the bike's center; however, the new Jet 9's geometry keeps you on top of the pedals while the included dropper post allows you to clear out some cockpit space so you can throw the bike around on descents.

    The bike's updates shine at the front end, too. In 2016, the Jet 9 was limited to a 71 or 70.5-degree head tube, depending on whether you were running a 100 or 110mm fork. For 2017 (as configured here), it drops to 67.5 degrees. This puts the Jet 9 right on the cusp of moderate stability and enduro abandon. When paired with the new iteration's longer reach and shorter stem, that angle means the bike can ride roughshod across all manner of trail furniture without sacrificing responsive steering. Slack head tubes are fun, but we're occasionally frustrated by their muddy responsiveness. The Jet 9 lives up to Niner's reputation of nimble wagon wheel machines by ensuring that enduro aggression doesn't come at the cost of control.

    Despite the above changes, Niner's Race Day Optimized (RDO) construction process remains relatively unchanged. This is a good thing, as Niner's compaction method presses out any excess resin and compacts the carbon down to a uniform wall thickness. This gives Niner precise control over where material is and where it isn't, letting the engineers actually engineer the frame by reducing weight where it's not needed while ensuring stiffness and durability at key areas of power transfer and abuse

    The CVA suspension model is also virtually unchanged. CVA is designed specifically around 29in wheels to keep the big-rim platform balanced between taut and supple. Its low compression ratio means there's less need for suspension preload, so the mechanism can float more freely and react more readily to the terrain without being loose or sloppy. CVA's lower linkage placement beneath the bottom bracket isolates pedal input from suspension action to prevent the system from bobbing or back-kicking, resulting in a smooth but efficient bike that's responsive to both your power and the trail's trickery.

    The frame's finishing details are everything you'd expect from the obsessive developers at Niner, and our favorite new addition is—far and away—the inclusion of a BSA threaded bottom bracket. PressFit shells may be lighter and more convenient, but the exact tolerances of a CNC-machined thread are virtually unsurpassable by today's composite technology. The threading means bearing cups install perfectly, reducing wear over time and eliminating the creaks, groans, and pops that so often accompany PressFit models. Vulnerable bits are girded with titanium protection plates. The frame also includes integrated batter storage in case you get the urge for electro shifting and the revised axle spacing and geometry dimensions accommodate 29er tires up to 2.4in and 27.5 tires up to 3in.

    • A more versatile take on Niner's classic trail bike
    • Adds 20mm of CVA suspension compared to previous model
    • Updated geometry climbs faster and descends harder
    • Increased tire clearance for more traction and lower PSI
    • RDO carbon construction drops grams to gain speed
    • Compatible with electronic drivetrain routing and battery storage
    • SRAM Eagle pushes mountain bikes into the world of 12-speed
    • ENVE HV carbon wheels let big tires sit fat
    • Item #NNR0057

    Tech Specs

    Frame Material
    frame RDO carbon fiber, links aluminum
    Rear Shock
    FOX Float DPS Kashima
    Rear Travel
    120 mm
    FOX 34 Float Factory FIT4 Kashima
    Front Travel
    130 mm
    44 / 56 mm Cane Creek Zero Stack
    SRAM Eagle X01
    Front Derailleur
    Rear Derailleur
    SRAM Eagle X01
    ISCG Tabs
    yes, ISCG 05
    34 t SRAM Eagle X01
    Bottom Bracket
    10 - 50 t SRAM Eagle XG-1295
    SRAM Eagle X01
    SRAM Guide Ultimate Carbon
    Brake Type
    hdyraulic disc
    180 / 160 mm SRAM Centerline
    Race Face Next
    Handlebar Rise
    20 mm
    Handlebar Width
    760 mm
    Niner Grrrips
    Race Face Aeffect
    Niner Custom with Cr-Mo rails
    KS LEV Integra
    Seatpost Diameter
    30.9 mm
    Seat Collar
    34.9 mm
    [rims] ENVE M60 Forty HV
    DT Swiss 350
    Front Axle
    15 x 110mm Boost thru-axle
    Rear Axle
    12 x 148mm Boost thru-axle
    [front] Maxxis Ardent 3C/EXO/TR, [rear] Maxxis Ikon 3C/EXO/TR
    Tire Size
    [front] 29 x 2.4 in, [rear] 29 x 2.35 in
    not included
    Recommended Use
    Manufacturer Warranty
    5 years on frame

    Tech Specs

    • Reviews
    • Q & A

    What do you think about this product?

    Have questions about this product?


      I demoed the 2017 Jet 9 in Park City and the following week I bought one. I feel this bike is the best Trail/Cross-Country bikes on the market with the 120mm setup. This is nothing like the old Jet, so those that have one, this is a new animal. The chainstays were shortened, the headtube went from 70 degrees to 67.5, and the BB is now threaded. In addition, it's boosted and you can run 3.0 27+ tires and 2.4 29er tires.
      The Niner's CVA (Constantly Varying Arc) suspension design is what sold me on this bike. It felt great climbing and super playful on the descents with great mid stroke support. The longest ride I have on this so far is 3.5 hours, but I can't wait to get this out for a longer ride, I'm sure it will allow for all day comfort.
      Please reach out to me if you have any questions on this or are interested in a custom build.
      Saddle height is 71.5cm - Medium fits perfect. Weight is 25.6lbs

      Bill Sherman
      Customer Account Manager-Bike
      Office: 801-204-4545


      Absolute Beast

      • Familiarity: I've put it through the wringer

      Niner has updated the JET 9 once again, going longer and slacker to make this trail bike even more capable. I was able to demo both the Jet and Rip 9 down in Moab. I was absolutely blown away on how fun the Jet 9 was. We rode mag 7 and this bike ate the entire trail up. The plus tires allowed for tons of grip on the loose desert sand. The bike was super punchy on those short slick rock ascents. I was riding a medium and was really happy with how agile it was. The geometry and travel made for a more than capable descender. The CVA suspension gives the feel of a longer travel bike and is super stable at speed. The bottom line is Niner has created a bike that balances descending performance with climbing efficiency.

      Feel free to hit me up with any questions regarding bikes:

      Size Frame: What size frame should you go with?

      Travel: Finding the right amount of travel that fits your riding style.

      Full Package: Can provide a quote for both a custom or complete box build that fits your budget.

      Comparison: How does this bike ride compared to others in the same class? What are the pros and cons of going with another option?

      Patrick Law


      • Familiarity: I've used it once or twice and have initial impressions

      This bike wants to go! Definitely a fast bike, both up and downhill. I demoed this and it made me feel like my cardio game is on point, even though it's not. It was much easier to keep a fast pace, than my fun 27.5+. My body took more of the impact than my 27.5+, but that's to be expected. It was still very comfortable and solid over moderate rock and roots.

      This one made me wish I had a quiver of bikes...

      The medium frame fit my 32 inch bike-inseam just fine. I'm 5'8.


      Are you sure you need to be 13 feet tall for a size extra small, seems a little off..... :)