Bike Comparison
    MSRP
    $1,950$3,299
    Where to Buy
    $1

    At

    $2,599

    21% off At YT Industries

    Category
    TrailTrail
    Weight
    26.5 lbs32.2 lbs
    4.6
    6.6
    AluminumCarbon
    Fork
    RockShox Judy Gold RLFox Performance Float 34
    Shock
    Fox Float X Performance
    Wheels
    AluminumAluminum
    27.5″ / 29″29″
    Brakes
    Hydraulic DiscHydraulic Disc
    Groupset
    NX EagleNX Eagle
    Drivetrain
    1 × 121 × 12
    Suspension
    HardtailFull
    Front Travel
    120mm130mm
    Rear Travel
    -130mm
    Brand Site

    ninerbikes.com

    us.yt-industries.com

    Summary
    The Niner AIR 9 - 2-Star NX Eagle - 27.5+ is a 27.5″ / 29″ aluminum frame hardtail trail bike with upper mid-range components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    2023 Izzo CORE 2 29
    Other Trail bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    25 mph

    2019 AIR 9 - 2-Star NX Eagle - 27.5+

    25 mph

    2023 Izzo CORE 2 29

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Frame

    Niner hydroformed and welded aluminum

    BB StandardPF30, 73mm, Press Fit

    Tire Clearance2.4"

    BB StandardPF30, 73mm, Press Fit

    Tire Clearance2.4"

    Fork

    ROCKSHOX JUDY GOLD RL SOLO AIR, 120MM, 110X15MM, 51MM OFFSET

    Travel130mm

    Spring TypeAir

    FOX 34 FLOAT PERFORMANCE, 29“ | 130 mm Travel | 110 x 15 mm QR Axle | 44 mm Offset | Grip Damper, Adjustable Low-Speed Compression and Rebound, Air Pressure

    Travel130mm

    Spring TypeAir

    Shock

    N/A

    FOX FLOAT PERFORMANCE, Shock Length: 210 mm | Shock Stroke: 55 mm ≙ 130 mm Travel | 2-pos lever, 0.2 Spacer, custom tune

    Bottom Bracket

    73mm PF30 BB Shell (Adapters Required For BSA Type BBs); compatible with Biocentric 30 BB

    SRAM DUB Pressfit, BB DUB PF 92 MTB

    Headset

    NINER INTERNAL IS SHIS DESCRIPTION IS42/28.6 | IS52/40

    ACROS AZX, 586 Block Lock (S-M), 576 (L-XXL) I 2 Spacer 5 mm

    Stem

    RACE FACE AEFFECT R 40MM, 35MM CLAMP

    RACE FACE AEFFECT R 35, Length 50 mm (S-M), 60 mm (L-XXL) | 35 mm Clamp | Rise +/-6°

    Handlebar

    RACE FACE AEFFECT R 780MM WIDE, 20MM RISE, 35MM CLAMP

    RACE FACE AEFFECT R 35, Width 780 mm | Rise 20 mm | 9° Back Sweep | 5° Up Sweep | 7075 AL

    Saddle

    NINER CUSTOM TR WITH CR-MO RAILS, PRINTED NINER GRAPHIC

    SDG BEL AIR Overland 3.0, YT Custom | Width 140 mm I Lux-Alloy Rail

    Seatpost

    NINER ALLOY SEAT POST, 370MM, NINER GRAPHIC

    YT POSTMAN V2, Ø 31,6mm I MMX-Remote | Adjustable drop 25/10/5mm | 100 mm (S) I 125 mm (M) | 150 mm (L) | 170 mm (XL) | 200mm (XXL)

    Grips

    NINER GRRRIPS L/O NYLON FLANGED

    ODI ELITE MOTION V2.1, Lock On

    Groupset
    Rear Derailleur

    SRAM NX EAGLE 12SP

    SRAM NX EAGLE, 12-speed

    Front Derailleur

    N/A

    Crank

    SRAM NX EAGLE DUB 32T

    SRAM NX EAGLE, Crank Arm Length 170 mm (S), 175 mm (M-XXL) | 32T | DUB

    Shifters

    SRAM NX EAGLE 12SP

    SRAM NX EAGLE, 12-speed I MMX

    Cassette

    SRAM PG 1230 11-50T

    SRAM XG 1230 Eagle, 11-50T | 12-speed

    Chain

    SRAM NX EAGLE 12SP

    Brakes

    SRAM LEVEL

    SRAM G2 R, Rotor CENTERLINE Ø front 200 mm / rear 180 mm | Adjustable Reach

    Brake Levers

    SRAM LEVEL

    Wheels
    Rims

    Front: NINER ALLOY, 110X15MM FRONT, NINER GRPHIC, Rear: NINER ALLOY, 148X12MM REAR, NINER GRAPHIC

    CRANKBROTHERS SYNTHESIS XCT ALLOY, Aluminium rims 29” | Front: Inner Width 26.5mm | 110 x 15mm | 6-Bolt, Rear: Inner Width 24.5mm | 148 x 12mm | 6-Bolt | Freehub HG

    Tires

    Front: MAXXIS MINION DHF 3C/EXO/TR 29x 2.5 WT; or MAXXIS REKON+ DC/EXO/TR 27.5x2.8, Rear: MAXXIS REKON 3C/EXO/TR 29x2.4 WT, or MAXXIS REKON+ DC/EXO/TR 27.5x2.8 REAR

    MAXXIS MINION DHR II, Front: 29’’ x 2.4 WT I 3C MaxxTerra I EXO I TR, Rear: 29’’ x 2.4 WT I Dual Compound I EXO I TR

    Disc Rotors

    180/160MM SRAM G2CS ROTORS

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