Bike Comparison
    MSRP
    Where to Buy
    $1

    At

    Category
    Crosscountry
    2.6
    Aluminum
    Fork
    Suntour XCT
    Wheels
    Aluminum
    29″
    Brakes
    Mechanical Disc
    Groupset
    Altus, Shimano
    Drivetrain
    3 × 8
    Suspension
    Hardtail
    Front Travel
    80mm
    Brand Site

    specialized.com

    Summary
    The Specialized Hardrock Disc 29 is a 29″ aluminum frame hardtail crosscountry bike with modest components and mechanical disc brakes.
    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)

    33 mph

    Hardrock Disc 29

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Specialized A1 Premium Aluminum, Sport Trail 29 Geometry, ORE down tube, externally relieved head tube, forged dropouts, reinforced disc mount, replaceable alloy derailleur hanger

    Fork

    SR Suntour XCT 29, coil spring, 80mm travel, preload adjust, 1-1/8"" steerer, alloy lowers, Hi-Ten 28mm stanchions, disc mount

    Bottom Bracket

    Square taper, cartridge bearings

    Headset

    1-1/8"" threadless, loose ball

    Stem

    Specialized, forged alloy, 4-bolt, 10-degree rise

    Handlebar

    Specialized, flat bar, alloy, 8-degree backsweep, 4-degree upsweep, 25.4mm

    Saddle

    Body Geometry mountain, thick padding, steel rails, 143mm

    Seatpost

    Alloy, 2-bolt, micro-adjust, 12.5mm offset, 30.9mm, anti-corrosion hardware

    Pedals

    Plastic, 9/16"", w/ reflectors

    Grips

    Specialized Body Geometry XCT, Kraton w/ gel, lock-on, closed end

    Groupset
    Rear Derailleur

    Shimano Altus, 8-speed

    Front Derailleur

    Shimano Altus, 3-speed, top swing, dual pull

    Crank

    Samox, forged alloy, 3 pc. 8-speed, 42/32/22T, w/ chainguard

    Shifters

    Shimano ST-EF51, w/ integrated brake lever

    Cassette

    Sunrace, 8-speed, 11-34t

    Chain

    KMC X8, 8-speed, w/ reusable MissingLink

    Brakes

    Front: Tektro Aries, mechanical disc, organic pads, Rear: Tektro Aries, mechanical disc, organic pads

    Wheels
    Rims

    29"", disc, alloy, double-wall, pin joint, 25mm inner width, 32h

    Spokes

    Stainless, 14g

    Front Hub

    Specialized, Hi Lo disc, alloy, double-sealed, ground race, QR, 32h

    Rear Hub

    Specialized, Hi Lo disc, double-sealed bearing, QR, 32h

    Tires

    Front: Specialized Fast Trak Sport, 30TPI, wire bead, Flak Jacket protection, 29x2.0"", Rear: Specialized Fast Trak Sport, 30TPI, wire bead, Flak Jacket protection, 29x2.0""

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