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Rockhopper Expert Disc 29 Single-Speed

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2009 Rockhopper Expert Disc 29 Single-Speed

FOR OVER TWO DECADES the Rockhopper has been the best hardtail for any rider looking for thrills and adventure over a wide variety of terrain. The Rockhopper's M4 alloy frame and premium specs deliver category-leading efficiency, value and dependable handling.

Technical Specifications

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FRAMESET

FRAME

Specialized M4 manipulated alloy frame, 29"" geometry, fully butted, ORE DT, 2-piece forged adjustable dropouts w/ SShanger, disc only

HEADSET

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

SEAT BINDER

Specialized alloy w/ QR, brass washer

SUSPENSION

FORK

Rock Shox Tora Race 29er, 80mm, 32mm Cr-Mo stanchions, magnesium lower, Solo Air spring w/ Motion Control damper, LO and rebound adj., disc only

WHEELS

RIMS

Specialized RHD 29"", double wall disc, pinned w/ eyelets, 28/32h

FRONT HUB

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

REAR HUB

Specialized, cassette, forged alloy, double sealed, ground race, QR, 32h w/ conversion kit for single speed cog

SPOKES

1.8mm (15g) stainless

FRONT TIRE

Specialized Fast Trak Control, 29x2.0"", 60TPI, aramid bead, 2Bliss ready

REAR TIRE

Specialized Fast Trak Control, 29x2.0"", 60TPI, aramid bead, 2Bliss ready

INNER TUBES

Specialized schraeder valve

DRIVETRAIN

CASSETTE

20t Cr-Mo cog, 1/2' x 3/32"" for casssette hub

CHAIN

KMC X9 w/ reuseable Missing Link

CRANKSET

Truvativ Fire-Ex, 2pc, forged alloy arms for GXP

CHAINRINGS

32A

BOTTOM BRACKET

Truvativ GXP, Outboard cartridge bearings, 68mm x 118mm

COCKPIT

STEM

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

HANDLEBARS

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

GRIPS

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

SADDLE

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

SEATPOST

Specialized alloy two bolt, micro adjust head, 30.9mm

BRAKES

FRONT BRAKE

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

REAR BRAKE

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

BRAKE LEVERS

Tektro Auriga Comp

ACCESSORIES

PEDALS

Alloy body and cage, 9/16""

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

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1517192123
Bottom Bracket Height - Low Setting299mm299mm299mm299mm299mm
Top Tube Length (Horizontal)570mm595mm625mm650mm670mm
Head Tube Height90mm90mm100mm120mm140mm
Head Tube Angle - Low Setting70.5°70.5°70.5°70.5°70.5°
Seat Tube Angle (Actual) - Low Setting72°72°72°72°72°
Seat Tube Angle (Effective) - Low Setting74°73.5°73.5°73.5°73.5°
Top Tube Length (Actual)557mm570mm595mm620mm642mm
Seat Tube Length - Center to Top381mm432mm483mm533mm584mm
Wheel Base1067mm1092mm1122mm1147mm1169mm
Standover Height700mm770mm800mm835mm875mm
Chainstay Length442mm442mm442mm442mm442mm
Crank Length170mm175mm175mm175mm175mm
Handlebar Width640mm640mm640mm640mm640mm
Stem Length60mm75mm75mm90mm90mm
Seatpost Length350mm350mm400mm400mm400mm
Geometry

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