Bike Comparison
    MSRP
    $5,950$8,500
    Where to Buy
    $1

    At

    $8,500

    At Specialized

    Category
    TrailTrail
    Weight
    26.7 lbs
    8.0
    9.7
    SteelCarbon
    Fork
    Fox Factory Float 34Fox Factory Float 34
    Shock
    Fox Float X Factory
    Wheels
    CarbonCarbon
    27.5″29″
    Brakes
    Hydraulic DiscHydraulic Disc
    Groupset
    X01, X01 EagleX0 Eagle Transmission, X01 Eagle AXS
    Drivetrain
    1 × 121 × 12 Electronic
    Suspension
    HardtailFull
    Front Travel
    120mm130mm
    Rear Travel
    -120mm
    Brand Site

    ninerbikes.com

    specialized.com

    Summary
    The Niner SIR 9 5-STAR is a 27.5″ steel frame hardtail trail bike with ultra high-end components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    2018 SIR 9 5-STAR
    2024 Epic 8 EVO Pro
    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)

    28 mph

    2018 SIR 9 5-STAR

    28 mph

    2024 Epic 8 EVO Pro

    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

    SIR 9 - SLATE BLUE/ORANGE

    BB StandardPF30, Press Fit

    Tire Clearance2.4"

    FACT 11m Carbon, Progressive XC Race Geometry, Rider-First Engineered™, SWAT downtube storage, threaded BB, 12x148mm UDH compatible rear dropout, internal cable routing, 120mm of travel

    BB StandardPF30, Press Fit

    Tire Clearance2.4"

    Fork

    FOX 34 FLOAT FACTORY FIT4, 3 POSITION W/ ADJ, KASHIMA COAT, 120MM, 110X15MM

    Travel130mm

    Spring TypeAir

    Fox 34 Factory, Grip2 Damper, 4 way adjust, 130mm travel, 44mm offset, 15x110mm

    Travel130mm

    Spring TypeAir

    Shock

    N/A

    Fox Float Factory, Evol LV, Ride Dynamics Tuned, LSC/ Rebound adjust, 190x45mm

    Bottom Bracket

    SRAM%20PF30

    SRAM DUB Threaded Wide

    Headset

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

    Stem

    RACE FACE TURBINE BASIC 50MM, 35MM CLAMP

    Raceface Turbine R, 50mm, 35mm clamp

    Handlebar

    RACE FACE SIXC 820MM WIDE, 20MM RISE, 35MM CLAMP

    Roval Control Rise Carbon Handlebar, 780mm wide, 20mm rise, 35mm

    Saddle

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

    Body Geometry Power Expert

    Seatpost

    KS LEV INTEGRA

    Fox Transfer Factory, 30.9, 1X remote, (SM:125mm, MD: 150mm, L-XL: 175mm)

    Pedals

    N/A

    Grips

    NINER GRRRIPS L/O FLANGED

    Specialized Trail Grips

    Groupset
    Rear Derailleur

    SRAM Eagle X01, 12-speed

    SRAM X0 Eagle Transmission

    Crank

    SRAM X1 EAGLE CARBON GXP 32T CNC RING

    SRAM X0 Eagle, DUB, 170/175mm, Alloy, 32T

    Shifters

    SRAM X01 EAGLE 12SP

    SRAM AXS POD Controller

    Cassette

    SRAM EAGLE XG 1295, 10-50T

    SRAM XS 1295, 12 speed, 10-52

    Chain

    SRAM X01 EAGLE 12SP

    SRAM X0 Eagle

    Chain Guide

    N/A

    Brakes

    SRAM GUIDE RSC

    Front: SRAM Code Silver Stealth, 4-piston caliper, hydraulic disc, 180/200mm HS2 rotor, Rear: SRAM Code Silver Stealth, 4-piston caliper, hydraulic disc, 180mm HS2 rotor

    Brake Levers

    SRAM GUIDE RSC

    Wheels
    Rims

    Niner Carbon XC

    Roval Control, Carbon offset design, 29mm internal width, 4mm hook width, Tubeless ready, 28h

    Spokes

    32 count front and rear

    Stainless, 14g, black

    Front Hub

    DT Swiss 350, 15mm x 110mm, 12mm x 148mm, XD Driver

    Industry Nine 1/1, 6-bolt, 15mm Thru-axle, 110mm spacing, 28h

    Rear Hub

    DT Swiss 350, 15mm x 110mm, 12mm x 148mm, XD Driver

    Industry Nine 1/1, 12x148mm thru axle, XD freehub body, 28h

    Tires

    29" MAXXIS ARDENT DC/EXO/TR 2.4

    Front: Specialized Purgatory, GRID Casing, T9 Compound, 29x2.4, Rear: Specialized Ground Control, GRID Casing, T7 Compound, 29x2.35

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