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    Hardrock 650b2017 Specialized
    Recommended
    MSRP
    Where to Buy
    —
    $1

    At

    Category
    		Crosscountry
    2.5
    Frame
    		Aluminum
    		Suntour
    Wheels
    		Aluminum
    Wheel Size
    		27.5″
    		Rim
    		Tourney
    Drivetrain
    		3 × 7
    Suspension
    		Hardtail
    Front Travel
    		75mm
    Brand Site

    specialized.com

    Summary
    		The Specialized Hardrock 650b is a 27.5″ aluminum frame hardtail crosscountry bike with mid-range components and rim brakes.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Hardrock 650b
    Other Crosscountry 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

    Hardrock 650b

    Highest gear

    (descending)

    Geometry
    Specs
    Hardrock 650b2017 Specialized
    Frame

    A1 Premium Aluminum, 3D forged dropouts, alloy replaceable derailleur hanger

    Fork

    SR Suntour M3030 650b, 1-1/8"" steel steerer, 75mm of travel, 9mm axle, coil spring w/preload adjust

    Travel: 75mm

    Spring Type: Coil

    Bottom Bracket

    Square taper, 73mm, internal bearings

    Stem

    3D-forged alloy, 31.8mm clamp, 6-degree rise

    Handlebar

    Flat bar, double-butted 6061 alloy, 700mm width, 10-degree upsweep, 4-degree upsweep, 31.8mm

    Saddle

    Body Geometry mountain, steel rails, 143mm

    Seatpost

    Alloy, 12mm offset, 2-bolt clamp, 30.9mm

    Type: Rigid

    Pedals

    Specialized MTB, platform w/molded pin, Cr-Mo spindle

    Grips

    Specialized MTB Grip, lock-on

    Groupset
    Rear Derailleur

    Shimano Tourney, 7-speed

    Front Derailleur

    Shimano Tourney, top-swing, 34.9mm clamp, 7-speed

    Crank

    Samox, forged alloy, square taper spindle, 42/34/24T w/chainguard

    Shifters

    Shimano EF500, EZ Fire Plus, 7-speed

    Cassette

    Shimano Tourney freewheel, 7-speed, 14-34t

    Chain

    KMC X8, 8-speed w/reusable MissingLink

    Brakes

    Front: V-brake, linear pull, Rear: V-brake, linear pull

    Type: Rim

    Wheels
    Rims

    650b, V-brake, alloy, double-wall, CNC sidewalls, pin joint, 25mm wide, 32h

    Spokes

    Stainless, 14g

    Front Hub

    Specialized V-brake, alloy, loose ball bearings, 9mm, QR

    Rear Hub

    Specialized V-brake, loose ball bearings, QR, 32h

    Tires

    Front: Fast Trak Sport, 650bx2.0"", 60TPI, wire bead, Flak Jacket protection, Rear: Fast Trak Sport, 650bx2.0"", 60TPI, wire bead, Flak Jacket protection

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