2011 Rockhopper
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The Rockhopper has a 30+ year history of doing just about everything most people…
Product Details
The Rockhopper has a 30+ year history of doing just about everything most people would want to do on a mountain bike.
Fully butted M4 alloy frame for lightweight confidence over the roughest trails
Custom-tuned SR Suntour suspension fork with hydraulic damping, lockout with lightweight magnesium lowers and alloy steerer delivers the supple ride qualities of a high-end fork
SR Suntour replaceable-ring crankset uses Shimano's Octalink-splined BB interface for reliable power transfer
Avid BB5 mechanical disc brakes with 160mm G2 Clean Sweep rotors for controlled stopping power in any condition
SRAM X5 rear derailleur and X4 trigger shifters deliver sure-fire gear changes
Light and durable double-walled alloy rims are tough enough to handle the rough stuff
Specialized Captain Sport tires lend a perfect knob pattern for diverse conditions
Technical Specifications
FRAMESET
FRAME
Specialized M4 fully manipulated alloy frame, fully butted, externally relieved HT, forged dropouts w/ replaceable derailleur hanger, disc only
HEADSET
1-1/8"" threadless, loose ball
SEAT BINDER
Alloy QR, nylon washer
SUSPENSION
FORK
SR Suntour SF11-XCR-DS-26-LO-SP, mag. lower, 30mm steel stanchions, hyd. damping w/ lock out and custom tuned spike valve
WHEELS
FRONT TIRE
Specialized The Captain Sport, 26x2.0"", 60TPI, wire bead
REAR TIRE
Specialized The Captain Sport, 26x2.0"", 60TPI, wire bead
INNER TUBES
Presta valve
RIMS
Alex RHD 26"", alloy double wall, pinned w/eyelets
FRONT HUB
Forged alloy, hi/low flange, double sealed, ground race, machined disc mount and flange, QR, 28h
REAR HUB
Forged alloy, mid flange, double sealed, ground race, machined disc mount and flanges, cassette, QR, 32h
SPOKES
2mm (14g) stainless
DRIVETRAIN
FRONT DERAILLEUR
Shimano Altus, 34.9mm clamp
REAR DERAILLEUR
SRAM X.5 8sp Mid cage
SHIFT LEVERS
SRAM X.4 trigger
CASSETTE
SRAM PG-830, 8-speed, 11-32t
CHAIN
KMC X8 w/ reusable Missing Link
CRANKSET
SR SunTour, Octalink spline
CHAINRINGS
42S x 32S x 22S replaceable
BOTTOM BRACKET
Shimano BB-ES25, Octalink spline, cartridge bearing, 68mm x 118mm
COCKPIT
STEM
3D forged alloy, 7 degree rise, 31.8mm clamp
HANDLEBARS
Butted alloy riserbar, 25mm rise, 8 degree back sweep, 6 degree up
GRIPS
Specialized Enduro, dual compound Kraton, no flange, 131mm
SADDLE
Specialized Rockhopper XC, Body Geometry, 143mm width, front and rear bumpers
SEATPOST
Alloy two bolt, 12.5mm offset, micro adjust, 30.9mm
BRAKES
FRONT BRAKE
Avid BB5, mechanical disc, 160mm G2 Clean Sweep rotor
REAR BRAKE
Avid BB5, mechanical disc, 160mm G2 Clean Sweep rotor
BRAKE LEVERS
Alloy, linear pull
ACCESSORIES
PEDALS
Plastic platform, toe-clip compatible, reflectors, 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
| 13 | 15.5 | 17.5 | 19 | 21 | 23 | |
|---|---|---|---|---|---|---|
| Ground-Top | 853mm | 888mm | 897mm | 907mm | 926mm | 949mm |
| Bottom Bracket Height - Low Setting | 304mm | 304mm | 304mm | 304mm | 304mm | 304mm |
| Top Tube Length (Horizontal) | 545mm | 571mm | 596mm | 615mm | 640mm | 660mm |
| Head Tube Height | 100mm | 100mm | 110mm | 120mm | 140mm | 160mm |
| Head Tube Angle - Low Setting | 70° | 70° | 70° | 70° | 70° | 70° |
| Seat Tube Angle (Actual) - Low Setting | 73° | 73° | 73° | 73° | 73° | 73° |
| Top Tube Length (Actual) | 537.68mm | 550mm | 573mm | 590.13mm | 615.3mm | 639.8mm |
| Seat Tube Length - Center to Top | 330mm | 394mm | 444mm | 483mm | 533mm | 584mm |
| Wheel Base | 1029mm | 1049mm | 1075mm | 1101mm | 1127mm | 1148mm |
| Standover Height | 693mm | 737mm | 777mm | 800mm | 836mm | 872mm |
| Stack | 549mm | 549mm | 577mm | 587mm | 606mm | 624mm |
| Reach | 377mm | 403mm | 420mm | 436mm | 455mm | 469mm |
| Chainstay Length | 426mm | 426mm | 426mm | 426mm | 426mm | 426mm |
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