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Rockhopper Expert 1X

2020 Rockhopper Expert 1X

You started planning weekends around rides, rearranged the garage to fit more gear, and have singletrack dreams. It’s official: you’re a mountain biker, and you need a bike that’s as ready to rip as you. That’s the Rockhopper Expert 1X, our most capable Rockhopper yet.

STATE OF ALUMINUM ART

We gave the A1 SL Aluminum frame on the Rockhopper Expert 1X a lighter, tighter look with tube shapes that are optimized for the lowest weight while preserving its legendary comfort. With clean lines and internal cable routing, turns out it looks as sweet as it rides.

READY TO GET ROWDY

Stable and agile might seem contradictory, but the Sport XC 29 Geometry on the Rockhopper Comp 1X accomplishes both goals, with nimble, responsive handling for tight trails and superior stability when going fast, plus a rider position that’s comfortable for long rides.

Shimano’s reliable MT200 hydraulic disc brakes keep you under control with less effort at the lever.

10-speed Shimano Deore drivetrain offers precise shifts and long-lasting quality.

Wide 2.3-inch Ground Control Sport front and Fast Trak rear tires provide optimal traction and efficiency.

Technical Specifications

BRAKES

Front Brake

Shimano BR-MT200, hydraulic disc, 180mm

Rear Brake

Shimano BR-MT200, hydraulic disc, 180mm

COCKPIT

SeatPost

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

Stem

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

Grips

Specialized Trail Grips, lock-on

Saddle

Specialized Bridge, size specific, 143/155mm

Handlebars

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

DRIVETRAIN

Bottom Bracket

Square-tapered, 73mm, internal bearings

Cassette

Shimano, 10-speed, 11-42t

Crankset

Stout 1x, forged alloy

Shift Levers

Shimano Deore, RapidFire Plus, 10-speed w/ Optical Gear Display

Rear Derailleur

Shimano Deore, Shadow Plus, GS cage, 10-speed

Chain

KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™

FRAMESET

Frame

A1 SL Aluminum, Sport XC 29 Geometry, tapered head tube, internal cable routing, Boost QR 141x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger

Seat Binder

Alloy, quick-release clamp, 34.9mm

WHEELS & TIRES

Spokes

Stainless, 14g

WHEELS

Front Hub

Shimano, Center Lock™ disc, 9x100mm spacing, quick-release, 28h

Rims

Stout XC 29, 25mm internal width, disc-specific

Rear Tire

Fast Trak Sport, 29x2.3"

Rear Hub

Shimano FH-MT200, 9x141mm QR, 32h, Center Lock™ disc

Inner Tubes

Presta, 40mm valve

Front Tire

Ground Control Sport, 29x2.3"

Suspension

Fork

SR Suntour XCR 29, rebound adjust, air spring, 46mm offset, 80/90/100mm of travel (size-specific)

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 Length165mm170mm170mm175mm175mm175mm
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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