2009 Rockhopper Expert Disc 29
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FOR OVER TWO DECADES the Rockhopper has been the best hardtail for any rider looking…
Product Details
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.
The Rockhopper Expert Disc 29’s M4 manipulated alloy frame features our 29er-specific geometry for a lower center of gravity and increased stability. A fully butted tubeset adds to its lightweight strength.
The front suspension features 32mm Cr-Mo stanchions and a smooth 80mm of coil-sprung travel, rebound and preload adjustments, and lockout.
The Specialized 3D-forged alloy stem is stiff and strong and features an oversized 31.8mm bar-clamp area for precise steering.
Tektro’s Auriga Comp dual-piston hydraulic disc brakes feature smooth lever action and easy-to-control stopping power.
Shimano’s Deore rear derailleur uses a wide-link parallelogram design for increased rigidity, which means accurate shifting and long life.
Shimano’s Deore Rapidfire trigger shifters feature Dual Control for extra-fast shifts from thumb and/or forefinger.
The triple-chainring crankset features Shimano’s splined Octalink bottom-bracket connection, which gives maximum power transfer smooth pedaling action.
The triple-chainring crankset features Shimano’s splined Octalink BB connection, which gives maximum power transfer and smooth pedaling action.
The Fast Track Control 29x2.0-inch tires feature a dual compound tread for superior traction and durability, whether you opt to go 2Bliss or not.
The Indie XC saddle uses our patented Body Geometry design to protect your soft parts.
Technical Specifications
FRAMESET
FRAME
Specialized M4 Manipulated Alloy frame, 29"" geometry, fully butted, ORE DT, 2-piece forged adjustable dropouts, disc only
HEADSET
Specialized 1-1/8"" threadless, loose ball
SEAT BINDER
Specialized alloy w/ QR, brass washer
SUSPENSION
FORK
RockShox Tora Race 29er, 80mm, 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
WHEELS
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
RIMS
Specialized RHD 29"", double wall disc, pinned w/ eyelets, 28/32h
FRONT HUB
Specialized Hi Lo, forged alloy, double sealed, ground race, 28h
REAR HUB
Specialized, forged alloy, double sealed, ground race, cassette, QR, 32h
SPOKES
1.8mm (15g) stainless
DRIVETRAIN
FRONT DERAILLEUR
Shimano Deore, 34.9mm clamp, bottom swing, dual pull
REAR DERAILLEUR
Shimano Deore
SHIFT LEVERS
Shimano Deore SL- M531, 9-speed
CASSETTE
Shimano HG-50, 9-speed, 11-34t
CHAIN
KMC X9 w/ reuseable Missing Link
CRANKSET
Shimano FCM442, forged alloy arms, Octalink Spline w/ replaceable rings
CHAINRINGS
44A x 32S x 22S
BOTTOM BRACKET
Shimano BB-ES25, Octalink spline, 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
| 15 | 17 | 19 | 21 | 23 | |
|---|---|---|---|---|---|
| Bottom Bracket Height - Low Setting | 299mm | 299mm | 299mm | 299mm | 299mm |
| Top Tube Length (Horizontal) | 570mm | 595mm | 625mm | 650mm | 670mm |
| Head Tube Height | 90mm | 90mm | 100mm | 120mm | 140mm |
| Head Tube Angle - Low Setting | 70.5° | 70.5° | 70.5° | 70.5° | 70.5° |
| Seat Tube Angle (Actual) - Low Setting | 72° | 72° | 72° | 72° | 72° |
| Seat Tube Angle (Effective) - Low Setting | 74° | 73.5° | 73.5° | 73.5° | 73.5° |
| Top Tube Length (Actual) | 557mm | 570mm | 595mm | 620mm | 642mm |
| Seat Tube Length - Center to Top | 381mm | 432mm | 483mm | 533mm | 584mm |
| Wheel Base | 1067mm | 1092mm | 1122mm | 1147mm | 1169mm |
| Standover Height | 700mm | 770mm | 800mm | 835mm | 875mm |
| Chainstay Length | 442mm | 442mm | 442mm | 442mm | 442mm |
| Crank Length | 170mm | 175mm | 175mm | 175mm | 175mm |
| Handlebar Width | 640mm | 640mm | 640mm | 640mm | 640mm |
| Stem Length | 60mm | 75mm | 75mm | 90mm | 90mm |
| Seatpost Length | 350mm | 350mm | 400mm | 400mm | 400mm |
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