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2012 Specialized

Hardrock Sport Disc 29

A 29″ aluminum frame hardtail crosscountry bike with mid-range components and avid mechanical disc brakes.
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FrameAluminum
SuspensionHardtail, 80mm
ForkSuntour XCM
Wheels29″ Aluminum
Drivetrain3 × 8
GroupsetX4, Altus
BrakesAvid Mechanical Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Hardrock Sport Disc 29
Other Crosscountry bikes
Gearing

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 Sport Disc 29

27 mph

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Highest gear

(descending)

Reviews
BikeRadar
Specialized Hardrock Sport Disc review

Dec 2009 · Steve Worland

A great frame and a generally well put together bike, let down by a fork with a clunky rebound

Read Review

Geometry
Specs
Build
Frame

Specialized A1 Premium Aluminum 29"", fully butted, disc only, 6061 alloy, double ORE down tube, externally relieved head tube, forged dropouts and reinforced disc mount, alloy replaceable derailleur hanger

Fork

SR Suntour XCM (SF11-XCM-V3-29-DS-MLO), 1pc. alloy lower, 30mm Hi-Ten stanchions, mechanical LO, custom women's coil/mcu spring w/ preload adj. spring assisted seals, 80mm travel

Travel80mm

Spring TypeCoil

Bottom Bracket

Shimano, Octalink spline, cartridge bearing, 68mm

Headset

1-1/8"" threadless, loose ball w/ seals

Stem

3D forged 6061 alloy, 4 bolt clamp, 10º rise, 25.4mm

Handlebar

Alloy flat bar, 8º backsweep, 4º upsweep, 25.4mm

Saddle

Specialized Body Geometry Hardrock, steel rails, front and rear bumpers, 143mm width

Seatpost

Alloy, 2 bolt head, 30.9mm, 12.5mm offset, micro adjust

TypeRigid

Pedals

Composite platform w/ molded pins, toe clip compatible, 9/16"" w/ reflectors

Grips

Specialized Enduro, dual compound

Groupset
Rear Derailleur

SRAM X4, 8-speed, mid cage

Front Derailleur

Shimano Altus, 8-speed, 34.9mm clamp, top-swing, dual-pull

Crank

SR Suntour, 8-speed, Octalink spline, replaceable rings

Shifters

SRAM X4, 8-speed, trigger

Cassette

Shimano 8-speed, 11-34t

Chain

KMC X-8, 8-speed, reusable Missing Link

Brakes

Front: Avid BB5, mechanical disc brake, post mount, 160mm G2 Clean Sweep rotor, Rear: Avid BB5, mechanical disc brake, post mount, 160mm G2 Clean Sweep rotor

TypeAvid Mechanical Disc

Brake Levers

Alloy ""V""-brake, two-finger, linear pull

Wheels
Rims

Alex HR Disc 29"", alloy double-wall, disc, pin joint, 24mm, 36h

Spokes

Stainless silver, 2.0mm (14g)

Front Hub

Disc hub, high-lo flange, sealed loose ball, machined disc mount, QR, 36h

Rear Hub

Machined disc mount & flanges, double-sealed loose ball, polished races,19mm contact, QR, 36h

Tires

Front: Specialized Fast Trak LK Sport, 60 TPI, wire bead, 29x2.0"", Rear: Specialized Fast Trak LK Sport, 60 TPI, wire bead, 29x2.0""

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First added July 9

Last updated July 9

Not listed for 2,537 days