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2009 Specialized

Rockhopper Expert Disc

A 26″ aluminum frame hardtail crosscountry bike with upper mid-range components.
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FrameAluminum
SuspensionHardtail, 100mm
ForkRockShox
Wheels26″ Aluminum
Drivetrain3 × 9
GroupsetDeore
BrakesTektro Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Rockhopper Expert Disc
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)

31 mph

Rockhopper Expert Disc

27 mph

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Highest gear

(descending)

Reviews
BikeRadar
Specialized Rockhopper SL Expert review

May 2010 · Guy Kesteven

Typically polished all-round performance with natural speed and enthusiasm despite a limiting fork

Read Review

Geometry
Specs
Build
Frame

Specialized M4 Manipulated Alloy frame, fully butted, ORE DT, forged dropouts w/ replaceable 98954020 hanger, disc only

Fork

Rock Shox Tora SLite, 100mm, alloy steerer, 32mm Cr-Mo stanchions, magnesium lower, coil spring preload and rebound adj. w/ LO, 13-15"": standard spring, all others: ""stiff"" spring w/ preload adj. disc only

Travel100mm

Spring TypeCoil

Bottom Bracket

Shimano BB-ES25, Octalink spline, cartridge bearings, 68mm x 118mm

Headset

Specialized 1-1/8"" threadless, loose ball

Stem

Specialized 3D forged, 4-bolt, 7 degree rise, 31.8mm clamp

Handlebar

Specialized butted alloy, 31.8mm, 25mm rise, 640mm wide, 8 degree back sweep, 8 degree up, 2.6mm thick

Saddle

Specialized Indie XC, Body Geometry, 143mm width, front and rear bumpers

Seatpost

Specialized alloy two bolt, micro adjust head, 30.9mm

TypeRigid

Pedals

Alloy body and cage, 9/16""

Grips

Specialized Enduro, dual compound Kraton, no flange, 131mm

Groupset
Rear Derailleur

Shimano Deore

Front Derailleur

Shimano Deore, 34.9mm clamp, bottom swing, dual pull

Crank

Shimano FCM442, forged alloy arms, Octalink Spline w/ replaceable rings

Shifters

Shimano Deore SL- M531, 9-speed

Cassette

Shimano HG-50, 9-speed, 11-34t

Chain

KMC X9 w/ reuseable Missing Link

Brakes

Front: Tektro Auriga Comp, hydraulic disc, dual piston w/ 160mm rotor, Rear: Tektro Auriga Comp, hydraulic disc, dual piston w/ 160mm rotor

TypeTektro Hydraulic Disc

Brake Levers

Tektro Auriga Comp

Wheels
Rims

Specialized RHD 26"", double wall disc, pinned w/ eyelets, 28/32h

Spokes

1.8mm (15g) stainless

Front Hub

Specialized Hi Lo, forged alloy, double sealed, ground race, 28h

Rear Hub

Specialized, forged alloy, double sealed, ground race, cassette, QR, 32h

Tires

Front: Specialized Fast Trak Control, 26x2.0"", 60TPI, aramid bead, 2Bliss ready, Rear: Specialized Fast Trak Control, 26x2.0"", 60TPI, aramid bead, 2Bliss ready

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First added July 9

Last updated July 9

Not listed for 2,521 days