Bike Comparison
    MSRP
    $5,000
    Where to Buy
    $1

    At

    Category
    Trail
    6.9
    Carbon
    Fork
    RockShox Pike RC
    Shock
    RockShox Deluxe RT3
    Wheels
    Carbon
    27.5″
    Brakes
    Hydraulic Disc
    Groupset
    GX Eagle, Truvativ Descendant
    Drivetrain
    1 × 12
    Suspension
    Full
    Front Travel
    130mm
    Rear Travel
    130mm
    Brand Site

    specialized.com

    Summary
    The Specialized Men's Stumpjumper ST Expert 27.5 is a 27.5″ carbon frame full suspension trail bike with high-end components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Men's Stumpjumper ST Expert 27.5
    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)

    26 mph

    Men's Stumpjumper ST Expert 27.5

    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

    FACT 11m, full carbon chassis and rear end, asymmetrical design, 27.5 Trail Geometry, SWAT™ Door integration, threaded BB, fully enclosed internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm of travel

    BB StandardBSA, 73mm, Threaded

    Fork

    RockShox Pike RC, DebonAir, rebound / low-speed compression adjust, tapered steerer, 46mm offset, 15mm Maxle® Stealth thru-axle, 15x110mm Boost™, 130mm of travel

    Shock

    RockShox Deluxe RT3, Rx Trail Tune, rebound & 3-position compression adjust, 190x45.0mm

    Bottom Bracket

    SRAM GXP

    Stem

    Specialized Trail, forged alloy, 4-bolt, 5mm rise, 40mm

    Handlebar

    Specialized Trail, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 780mm, 31.8mm clamp

    Saddle

    Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm

    Seatpost

    Command Post IRcc, 16-position micro-height adjustable, two-bolt head, bottom mount cable routing, remote SRL lever, 34.9mm, S: 130mm, M/L/XL: 160mm of travel

    Pedals

    Specialized Dirt

    Grips

    Specialized Sip grip, half-waffle, S/M: regular thickness, L/XL: XL thickness

    Groupset
    Rear Derailleur

    SRAM GX Eagle, 12-speed

    Crank

    Truvativ Descendant, aluminum, Boost™ 148, 170mm crankarm, 24mm spindle, 32T

    Shifters

    SRAM GX Eagle, trigger, 12-speed

    Cassette

    SRAM GX Eagle, 12-speed, 10-50t

    Chain

    SRAM GX Eagle, 12-speed

    Brakes

    Front: SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm, Rear: SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 180mm

    Wheels
    Rims

    Roval Traverse Carbon 27.5, hookless carbon, 30mm inner width, tubeless ready, hand-built

    Spokes

    DT Swiss Industry

    Front Hub

    Specialized, sealed cartridge bearings, 15x110mm spacing, 28h

    Rear Hub

    Specialized, sealed cartridge bearings, 12x148mm thru-axle, 28h

    Tires

    Front: Butcher, GRID Casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.3", Rear: Purgatory, GRID casing, GRIPTON® compound, 2Bliss Ready, 27.5 x 2.3"

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