Specialized Rockhopper Expert 1X 2020, Crimson
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Specialized Rockhopper Expert 1X 2020, Crimson

Product Code 91220-4001
Other products by Specialized

NOTE: Price applies to Online sales only, pricing may differ in our Retail store.
  • XS | Gloss Crimson/Rocket Red/Black  $1,500.00 | In-store
  • S | Gloss Crimson/Rocket Red/Black  $1,500.00 | In-store
  • M | Gloss Crimson/Rocket Red/Black  $1,500.00 | In-store
  • L | Gloss Crimson/Rocket Red/Black  $1,500.00 | In-store
  • XL | Gloss Crimson/Rocket Red/Black  $1,500.00 | In-store

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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.


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.


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. 

  • The air-sprung SR SunTour XCR-Air 29 suspension fork features 80/90/100mm of size-specific travel to keep handling consistent no matter what size bike you ride. 
  • Shimano’s Deore single-chainring drivetrain offers simplicity, precision, and reliability, with a wide-ranging 10-speed cassette that can cover all kinds of terrain. The clutch rear derailleur that keeps the chain properly tensioned all the time for faster, quieter shifts. The Rapidfire Plus™ trigger shifters make for fast shifts with less effort so you’re always in the right gear.
  • Ground Control Sport, with chunky tread blocks and a wide, 2.3-inch casing for optimal cornering traction up front. The Fast Trak rear is ideal for efficient power transfer, with a durable, cut-resistant casing to fend off flats.

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
SR Suntour XCR 29, rebound adjust, air spring, 46mm offset, 80/90/100mm of travel (size-specific)
FRONT HUB Shimano, Center Lock™ disc, 9x100mm spacing, quick-release, 28h
Shimano FH-MT200, 9x141mm QR, Center Lock™ disc, 32h
SPOKES Stainless, 14g
Specialized XC 29, 25mm internal width, disc-specific
INNER TUBES Presta, 40mm valve
FRONT TYRE Ground Control Sport, 29x2.3"
REAR TYRE Fast Trak Sport, 29x2.3"
Stout 1x, forged alloy
BOTTOM BRACKET Square taper, 73mm, internal bearings
Shimano Deore, 10-speed w/ Optical Gear Display
Shimano Deore, Shadow Plus, GS cage, 10-speed
Shimano, 10-speed, 11-42t
KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link
FRONT BRAKE Shimano BR-MT200, hydraulic disc, 180mm
REAR BRAKE Shimano BR-MT200, hydraulic disc, 160mm
HANDLEBARS Stout XC, double-butted alloy, 8-degree backsweep, 6-degree upsweep, 10mm rise, 31.8mm
GRIPS Specialized MTB Grip, lock-on
STEM Stout 3D-forged alloy, 31.8mm, 6-degree rise
Specialized Bridge, size specific, 143/155mm
SEATPOST Alloy, 12mm offset, 2-bolt clamp, 30.9mm
SEAT BINDER Alloy, QR clamp, 34.9mm
PEDALS Specialized Dirt

Geometry (mm)

BB Drop 57.5 57.5 57.5 57.5 57.5 57.5
BB Height 312.5 312.5 312.5 312.5 312.5 312.5
Bike Standover Height 719 765 776 807 837 861
Chainstay Length 440 440 440 440 440 440
Fork Length, Full 486 496 506 506 506 506
Fork Rake/Offset 51 51 51 51 51 51
Front Center 631 650 676 704 730 742
Head Tube Angle 69.8° 69.8° 69.8° 69.8° 69.8° 69.8°
Head Tube Length 95 95 95 110 125 125
Reach 380 395 418 441 462 474
Seat Tube Angle 74° 73.9° 73.8° 73.7° 73.6° 73.6°
Seat Tube Length 370 400 430 470 520 560
Stack 586 595 605 619 633 633
Top Tube Length, Horizontal 548 567 594 622 648 660
Trail 82 82 82 82 82 82
Wheelbase 1065 1084 1110 1138 1164 1176

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