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Rockhopper Expert Disc

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2010 Rockhopper Expert Disc

For XC hardtail riders looking to upgrade their trail adventures or maybe even nab their first real deal mountain bike, the Rockhopper® is impossible to beat. A lightweight and responsive M4 chassis, capable MTB components and straight-out-of-the-box performance make this bike feel like a much more expensive ride

Technical Specifications

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FRAMESET

FRAME

Specialized M4 fully manipulated alloy frame, fully butted, ORE DT, externally relieved HT, forged dropouts w/ replaceable derailleur hanger, disc only

HEADSET

1-1/8"" threadless, loose ball

SEAT BINDER

Forged alloy QR, brass washer

SUSPENSION

FORK

RockShox Dart 3 SL, 80/100mm, 1 piece magnesium lower, alloy steerer, adj. reb. damping w/ LO and preload adj., size-specific spring rates, disc only

WHEELS

RIMS

Alex RHD 26"", pinned, alloy double wall, eyelets, 28h front and 32h rear

FRONT HUB

Forged alloy, hi/low flange, double sealed, ground race, machined disc mount, 32h

REAR HUB

Forged alloy, double sealed, ground race, machined disc mount, cassette, 32h

SPOKES

2mm (14g) stainless

FRONT TIRE

Specialized Fast Trak LK Sport, 26x2.0"", 60TPI, wire bead

REAR TIRE

Specialized Fast Trak LK Sport, 26x2.0"", 60TPI, wire bead

INNER TUBES

Schraeder valve

DRIVETRAIN

FRONT DERAILLEUR

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

REAR DERAILLEUR

SRAM X-5, mid cage

SHIFT LEVERS

SRAM X5-R trigger

CASSETTE

Shimano HG50, 9-speed, 11-34t

CHAIN

KMC X9 w/ reuseable Missing Link

CRANKSET

Shimano FC-M442, Octalink Spline

CHAINRINGS

44A 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, 660mm wide, 8 degree back sweep, 7 degree up sweep

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

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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131517192123
Ground-Top304mm304mm304mm304mm304mm304mm
Bottom Bracket Height - Low Setting304mm304mm304mm304mm304mm304mm
Top Tube Length (Horizontal)545mm565mm590mm615mm640mm660mm
Head Tube Height100mm100mm110mm120mm140mm160mm
Head Tube Angle - Low Setting70°70°70°70°70°70°
Seat Tube Angle (Actual) - Low Setting73°73°73°73°73°73°
Top Tube Length (Actual)537.68mm546.08mm567.11mm590.13mm615.3mm639.8mm
Seat Tube Length - Center to Top330mm381mm432mm483mm533mm584mm
Wheel Base1029mm1049mm1075mm1101mm1127mm1148mm
Standover Height693mm725mm767mm800mm836mm872mm
Chainstay Length426mm426mm426mm426mm426mm426mm
Crank Length170mm170mm175mm175mm175mm175mm
Handlebar Width640mm640mm640mm640mm640mm640mm
Stem Length60mm60mm75mm75mm90mm90mm
Seatpost Length350mm350mm350mm400mm400mm400mm
Geometry

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