Bike Comparison
    MSRP
    $2,500
    Where to Buy
    $1

    At

    Category
    Trail
    Weight
    28.8 lbs
    5.4
    Steel
    Fork
    Marzocchi Bomber Z2
    Wheels
    Aluminum
    27.5″ / 29″
    Brakes
    Hydraulic Disc
    Groupset
    SX Eagle, X1
    Drivetrain
    1 × 12
    Suspension
    Hardtail
    Front Travel
    120mm
    Brand Site

    ninerbikes.com

    Summary
    The Niner SIR 9 - 2-STAR SRAM SX EAGLE is a 27.5″ / 29″ steel frame hardtail trail bike with upper mid-range components.
    Similar Bikes
    Accessories
    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

    SIR 9 - 2-STAR SRAM SX EAGLE

    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

    HAND WELDED REYNOLDS 853 STEEL; EXTERNAL CABLE ROUTING; INTEGRATED BOTTLE, BAG, RACK AND FENDER MOUNTS; 12X148 THRU AXLE

    BB StandardPF30, 73mm, Press Fit

    Tire Clearance2.4"

    Fork

    MARZOCCHI BOMBER Z2 RAIL, SWEEP ADJ, 120MM, 110X15MM, 44MM OFFSET

    Shock

    N/A

    Bottom Bracket

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

    Headset

    NINER INTERNAL ZS SHIS DESCRIPTION ZS44/28.6|ZS56/40

    Stem

    RACE FACE TURBINE R 40MM, 35MM CLAMP

    Handlebar

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

    Saddle

    NINER CUSTOM TR WITH CRN-TI RAILS, PRINTED NINER GRAPHIC

    Seatpost

    KS LEV SI (XS/S-100MM, M/L/XL-150MM)

    Grips

    NINER GRRRIPS L/O FLANGED

    Groupset
    Rear Derailleur

    SRAM SX EAGLE 12SP

    Front Derailleur

    N/A

    Crank

    SRAM X1 1K EAGLE DUB, 32T

    Shifters

    SRAM SX EAGLE 12SP

    Cassette

    SRAM PG 1210 11-50T

    Chain

    SRAM SX EAGLE 12SP

    Brakes

    SRAM LEVEL

    Brake Levers

    SRAM LEVEL

    Wheels
    Rims

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

    Tires

    Front: MAXXIS MINION DHF 3C/EXO/TR 2.5 WT FRONT, Rear: MAXXIS REKON 3C/EXO/TR 2.4 WT REAR

    Disc Rotors

    SRAM LEVEL

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