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Rockhopper

2021 Rockhopper

Better performance. Better value. Better Rockhopper. By tapping the fit and handling advantages of pairing each rider with their ideal wheel size and suspension that works its hardest for everyone thanks to our size-specific Rx Tune, we’ve baked in added performance to the all-new Rockhopper without dialing up the price.

Shimano and microSHIFT team up for drivetrain duties with a robust 2x8 drivetrain that can handle everything you’re throw down while confident braking from Radius CX7 mechanical disc brakes seals the deal of the century.

Technical Specifications

COCKPIT

Saddle

Bridge Sport, steel rails

SeatPost

Alloy, 2-bolt clamp, 30.9mm

Grips

Specialized Trail Grips, lock-on

Handlebars

Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm

Stem

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

BRAKES

Rear Brake

Radius CX7, mechanical disc, 160mm

Front Brake

Radius CX7, mechanical disc, 160mm

DRIVETRAIN

Chain

KMC X8 EPT, anti-rust coating, 8-speed w/ reusable Missing Link™

Rear Derailleur

Shimano Tourney RD-TX800, 8-speed

Shift Levers

microSHIFT, TS39-8R, 2x8-speed

Crankset

Stout 2x, forged alloy

Bottom Bracket

Square-tapered, 73mm, internal bearings, 122.5mm spindle

Front Derailleur

Shimano Altus FD-M315

Cassette

SunRace, 8-speed, 11-34t

WHEELS

Front Hub

Formula 6-Bolt, disc, 100x9mm spacing, quick-release, 32H

Rims

Specialized alloy, disc only, double-wall, 25mm inner width, 32h

Front Tire

Fast Trak Sport 29x2.35"

Inner Tubes

Schrader, 40mm valve

Spokes

Stainless, 14g

Rear Hub

Formula SP-2125, 6-Bolt freehub, disc, 135x9mm spacing, quick-release

Rear Tire

Fast Trak Sport 29x2.35"

FRAMESET

Frame

Specialized A1 premium butted alloy, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger, stealth rack mounts, dropper post compatible

Seat Binder

Alloy, quick release, 34.9

Suspension

Fork

SR Suntour XCE 29, 28mm stanchions, Rx Tune, coil spring, QR, 90/100mm travel (size-specific), 46mm offset

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

SMLXLXXL
Crank Length170mm170mm175mm175mm175mm
Handlebar Width720mm740mm740mm740mm740mm
Stem Length45mm60mm60mm70mm70mm
Saddle Width155mm143mm143mm143mm143mm
Seatpost Length350mm400mm400mm400mm400mm
Stack607mm616mm626mm640mm654mm
Reach405mm425mm445mm465mm485mm
Head-Tube Length95mm95mm105mm120mm135mm
Head-Tube Angle68.5°68.5°68.5°68.5°68.5°
B-B Height310mm310mm310mm310mm310mm
B-B Drop62mm62mm62mm62mm62mm
Trail97mm97mm97mm97mm97mm
Fork Length (full)505mm515mm515mm515mm515mm
Fork Rake/Offset46mm46mm46mm46mm46mm
Front-Center672mm696mm719mm745mm770mm
Chain-Stay Length440mm440mm440mm440mm440mm
Wheelbase1105mm1128mm1152mm1178mm1203mm
Top-Tube Length (horizontal)586mm608mm630mm654mm679mm
Bike Stand-Over Height732mm754mm781mm820mm853mm
Seat-Tube Length360mm400mm450mm500mm560mm
Seat-Tube Angle73.5°73.5°73.5°73.5°73.5°
Geometry

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