2016 Specialized

Hardrock Disc 29

A 29″ aluminum frame hardtail crosscountry bike with modest components and mechanical disc brakes.
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FrameAluminum
SuspensionHardtail, 80mm
ForkSuntour XCT
Wheels29″ Aluminum
Drivetrain3 × 8
GroupsetAltus, Shimano
BrakesMechanical Disc
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Insights
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 Disc 29

27 mph

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Highest gear

(descending)

Reviews
BikeRadar
Specialized Hardrock Sport Disc review

Jul 2014 · Steve Williams

The Hardrock can survive trails, but only just, and it won’t improve as you do

Read Review

99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
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

Travel80mm

Spring TypeCoil

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

TypeRigid

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

TypeMechanical Disc

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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Last updated July 9
Not listed for 1,775 days