The Specialized Rockhopper Expert 1X hardtail mountain bike keeps things simple and efficient with a 1x10 Shimano Deore setup with a wide range 11-42 tooth cassette.


Specialized Rockhopper Expert 1X Hardtail Mountain Bike 2020 in Blue


Specialized Rockhopper Expert 1X Hardtail Mountain Bike 2020 in Blue

Season : 2020

Brand : Specialized


Weight : 20KG

The Specialized Rockhopper Expert 1X hardtail mountain bike is their most capable Rockhopper yet. Its backbone is the A1 SL aluminum frame which has a tighter look with tube shapes that are optimized for the lowest weight while preserving its legendary comfort. It's all kept looking tidy too with internal cable routing.

Rockhopper geometry is designed to be both stable and agile which Specialized accomplishes with nimble and responsive handling for tight trails and superior stability when going fast, plus a rider position thats comfortable for long rides.

Shimano's reliable MT200 hydraulic disc brakes keep you under control with less effort at the lever, and traction comes courtesy of wide 2.3-inch ground control Sport front and Fast Trak rear tyres. 

Gears are kept simple and efficient with a 1x10 Shimano Deore setup. There's no pointless gear overlap and the wide range 11-42 tooth cassette provides plenty of options for when things get steep.

If you are a mountain biker that likes to go hard on the trail, you will appreciate that the Rockhopper Expert 1X is ready to rip.    

Key Features and Benefits

  • A1 SL aluminium frame, is light and responsive.
  • SR Suntour XCR29 fork, has an air spring and adjustable rebound.
  • 1x10 Shimano Deore gears, are efficient and reliable.

Full Specification

  • 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
  • Fork: SR Suntour XCR 29, rebound adjust, air spring, 46mm offset, 80/90/100mm of travel (size-specific)
  • Number of Gears:  10
  • Gear Shifters:  Shimano Deore, 10-speed w/ Optical Gear Display
  • Chainset:  Stout 1x, forged alloy
  • Chainrings:  30T
  • Rear Cassette:  Shimano, 10-speed, 11-42t
  • Chain:  KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Linkâ„¢
  • Front Derailleur:  N/A
  • Rear Derailleur:  Shimano Deore, Shadow Plus, GS cage, 10-speed
  • Bottom Bracket:  Square-tapered, 73mm, internal bearings
  • Pedals:  Specialized Dirt
  • Rims:  Specialized XC 29, 25mm internal width, disc-specific
  • Front Hub:  Shimano, Center Lock disc, 9x100mm spacing, quick-release, 28h
  • Rear Hub:  Shimano FH-MT200, 9x141mm QR, Center Lockâ„¢ disc, 32h
  • Front Tyre:  Ground Control Sport, 29x2.3"
  • Rear Tyre:  Fast Trak Sport, 29x2.3"
  • Brakes:  Shimano BR-MT200, hydraulic disc, 180mm rotor front & 160mm rear
  • Handlebars:  Stout XC, double-butted alloy, 8-degree backsweep, 6-degree upsweep, 10mm rise, 31.8mm
  • Handlebar Grips:  Specialized Trail Grips, lock-on
  • Headset:  Not Available
  • Stem:  Stout 3D-forged alloy, 31.8mm, 6-degree rise
  • Saddle:  Specialized Bridge, size specific, 143/155mm
  • Seatpost:  Alloy, 12mm offset, 2-bolt clamp, 30.9mm
  • Accessories:  N/A
  • Weight:  Not Available
Technical Information
Technical Information

Geometry for Specialized Rockhopper Expert Hardtail Mountain Bike

Specialized Rockhopper Expert Hardtail Mountain Bike Geometry Chart

Dimensions in mm unless stated

Crank Length 165 170 170 175 175 175  
Stem Length 45 45 60 60 70 90  
Seatpost Length 350 350 350 400 400 400  
Saddle Width 155 155 143 143 143 143  
Handlebar Width 720 720 750 750 750 750  
Reach 380 395 418 441 462 474  
Top Tube Length 548 567 594 622 648 660  
Stack 595 605 619 633 633 633  
Wheelbase 1065 1084 1110 1138 1164 1176  
Chainstay Length 440 440 440 440 440 440  
Front Center 631 650 676 704 730 742  
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  
Seat Tube Angle 74° 73.9° 73.8° 73.7° 73.6° 73.6°  
Head Tube Angle 69.8° 69.8° 69.8° 69.8° 69.8° 69.8°  
Seat Tube Length 370 400 430 470 520 560  
Head Tube Length 95 95 95 110 125 125  
Bike Standover Height 719 465 776 807 837 861  
Fork Rake/Offset 51 51 51 51 51 51  
Fork Lenght, Full 486 496 506 506 506 506  
Trail 82 82 82 82 82 82  


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