2009 Rockhopper Expert Disc 29 Single-Speed
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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.
Specialized M4 manipulated alloy frame, 29" geometry, fully butted, ORE DT
Rock Shox Tora Race 29er, 80mm
Truvativ Fire-Ex, 2pc, forged alloy arms for GXP
Technical Specifications
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
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, 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
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
| 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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