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Rockhopper

2020 Rockhopper

Are you ready to level up your mountain bike game? The Rockhopper is like a cheat code for unlimited fun, with a lightweight A1 Aluminum alloy frame. Our Sport XC 29 geometry maximizes the benefits of large 29-inch wheels, while the hardworking parts kit just won’t quit.

DIALED FOR DIRT

Our Sport XC 29 geometry is designed for a comfortable, efficient riding position, with a short stem and longer reach that puts your center of gravity slightly farther back for stability, while the short chainstays keep the rear wheel tucked in for maximum traction.

SIR SHIFTS-A-LOT

The 16-speed Shimano drivetrain provides reliable shifting that puts you in the right gear every time. A broad gear range flattens out long hills and keeps you cranking on descents, and the rust-resistant KMC chain runs long and strong but won’t get the friction on.

SR SunTour XCT 30 suspension fork keeps you in control no matter the terrain.

Powerful Shimano hydraulic disc brakes give you confidence and control on steep trails.

Ground Control Sport front and Fast Trak Sport rear tires are the perfect combo of efficiency and grip.

Technical Specifications

FRAMESET

Frame

A1 alloy, Sport XC 29 Geometry, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger

Seat Binder

Alloy, quick-release clamp, 34.9mm

COCKPIT

SeatPost

Alloy, 12mm offset, 2-bolt clamp, 30.9mm

Handlebars

Specialized Alloy XC minirise, double-butted alloy, 8-degree backsweep, 6-degree upsweep, 10mm rise, 31.8mm

Saddle

Specialized Bridge, size specific, 143/155mm

Grips

Specialized Trail Grips, lock-on

Stem

Stout 3D-forged alloy, 31.8mm, 6-degree rise

WHEELS

Rims

Alloy, disc only, double-wall, 25mm inner width

Rear Tire

Fast Trak Sport, 29x2.3"

Front Tire

Ground Control Sport, 29x2.3"

Inner Tubes

Schrader valve

Front Hub

Shimano, Center Lock™ disc, 9x100mm spacing, quick-release, 32h

DRIVETRAIN

Chain

KMC X8EPT, 8-speed, anti-corrosion coating w/ reusable Missing Link™

Front Derailleur

Shimano Altus FD-M315 2-Speed

Shift Levers

Shimano EF505, hydraulic, 2x8-speed

Rear Derailleur

Shimano Tourney RD-TX800, 8-speed

Bottom Bracket

Square-tapered, 73mm, internal bearings

Crankset

Stout 2x, forged alloy

Cassette

SunRace, 8-speed, 11-34t

Suspension

Fork

SR SunTour XCT 30, Rx Tune, coil spring, 80/90/100mm travel (size-specific), 46mm offset

BRAKES

Rear Brake

Shimano BR-MT200, hydraulic disc

Front Brake

Shimano BR-MT200, hydraulic disc

WHEELS & TIRES

Rear Hub

Shimano FH-TX505, Center Lock™ disc, 9x135mm spacing, quick-release, 32h

Spokes

Stainless, 14g

ACCESSORIES

Pedals

Specialized Body Geometry Fitness, platform, plastic

* 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

XSSMLXLXXL
Crank Length165mm170mm170mm175 mm175 mm175 mm
Handlebar Width720mm720mm750mm750mm750mm750mm
Stem Length45mm45mm60mm60mm70mm90mm
Saddle Width155mm155mm143mm143mm143mm143mm
Seatpost Length350mm350mm350mm400mm400mm400mm
Stack586mm595mm605mm619mm633mm633mm
Reach380mm395mm418mm441mm462mm474mm
Head Tube Length95mm95mm95mm110mm125mm125mm
Head Tube Angle69.8°69.8°69.8°69.8°69.8°69.8°
BB Height312.5mm312.5mm312.5mm312.5mm312.5mm312.5mm
BB Drop57.5mm57.5mm57.5mm57.5mm57.5mm57.5mm
Trail82mm82mm82mm82mm82mm82mm
Fork Length, Full486mm496mm506mm506mm506mm506mm
Fork Rake/Offset51mm51mm51mm51mm51mm51mm
Front Center631mm650mm676mm704mm730mm742mm
Chainstay Length440mm440mm440mm440mm440mm440mm
Wheelbase1065mm1084mm1110mm1138mm1164mm1176mm
Top Tube Length, Horizontal548mm567mm594mm622mm648mm660mm
Bike Standover Height719mm765mm776mm807mm837mm861mm
Seat Tube Length370mm400mm430mm470mm520mm560mm
Seat Tube Angle74°73.9°73.8°73.7°73.6°73.6°
Geometry

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