Rockhopper Expert Disc 29 Single-Speed
Part No.  

Rockhopper Expert Disc 29 Single-Speed

Part No.  23110
load-spinner
Rockhopper Expert Disc 29 Single-Speed
Overview
Technical Specifications
Geometry
Reviews
FOR OVER TWO DECADES the Rockhopper has been the best hardtail for any rider looking for thrills and adventure over a wide variety of terrain. The Rockhopper's M4 alloy frame and premium specs deliver category-leading efficiency, value and dependable handling.
  • Specialized M4 manipulated alloy frame, 29" geometry, fully butted, ORE DT
  • Rock Shox Tora Race 29er, 80mm
  • Truvativ Fire-Ex, 2pc, forged alloy arms for GXP

Technical Specifications

DRIVETRAIN
CHAIN KMC X9 w/ reuseable Missing Link
BOTTOM BRACKET Truvativ GXP, Outboard cartridge bearings, 68mm x 118mm
CRANKSET Truvativ Fire-Ex, 2pc, forged alloy arms for GXP
CASSETTE 20t Cr-Mo cog, 1/2' x 3/32"" for casssette hub
CHAINRINGS 32A
SUSPENSION
FORK Rock Shox Tora Race 29er, 80mm, 32mm Cr-Mo stanchions, magnesium lower, Solo Air spring w/ Motion Control damper, LO and rebound adj., disc only
WHEELS
FRONT HUB Specialized Hi Lo, forged alloy, double sealed, ground race, 28h, QR
REAR HUB Specialized, cassette, forged alloy, double sealed, ground race, QR, 32h w/ conversion kit for single speed cog
INNER TUBES Specialized schraeder valve
SPOKES 1.8mm (15g) stainless
FRONT TIRE Specialized Fast Trak Control, 29x2.0"", 60TPI, aramid bead, 2Bliss ready
RIMS Specialized RHD 29"", double wall disc, pinned w/ eyelets, 28/32h
REAR TIRE Specialized Fast Trak Control, 29x2.0"", 60TPI, aramid bead, 2Bliss ready
COCKPIT
SADDLE Specialized Indie XC, Body Geometry, 143mm width, front and rear bumpers
SEATPOST Specialized alloy two bolt, micro adjust head, 30.9mm
STEM Specialized 3D forged, 4-bolt, 7 degree rise, 31.8mm clamp
HANDLEBARS Specialized butted alloy, 31.8mm, 25mm rise, 640mm wide, 8 degree back sweep, 8 degree up, 2.6mm thick
GRIPS Specialized Enduro, dual compound Kraton, no flange, 131mm
BRAKES
FRONT BRAKE Tektro Auriga Comp, hydraulic disc, dual piston w/ 160mm rotor
BRAKE LEVERS Tektro Auriga Comp
REAR BRAKE Tektro Auriga Comp, hydraulic disc, dual piston w/ 160mm rotor
ACCESSORIES
PEDALS Alloy body and cage, 9/16""
FRAMESET
HEADSET Specialized 1-1/8"" threadless, loose ball
SEAT BINDER Specialized alloy w/ QR, brass washer
FRAME Specialized M4 manipulated alloy frame, 29"" geometry, fully butted, ORE DT, 2-piece forged adjustable dropouts w/ SShanger, disc only

Geometry

Geometry Chart

Rockhopper - Geometry

  15 17 19 21 23
Stem Length 60mm 75mm 75mm 90mm 90mm
Crank Length 170mm 175mm 175mm 175mm 175mm
Seatpost Length 350mm 350mm 400mm 400mm 400mm
Handlebar Width 640mm 640mm 640mm 640mm 640mm
Chainstay Length 442mm 442mm 442mm 442mm 442mm
Top Tube Length (Actual) 557mm 570mm 595mm 620mm 642mm
Top Tube Length (Horizontal) 570mm 595mm 625mm 650mm 670mm
Head Tube Angle - Low Setting 70.5° 70.5° 70.5° 70.5° 70.5°
Standover Height 700mm 770mm 800mm 835mm 875mm
Wheel Base 1067mm 1092mm 1122mm 1147mm 1169mm
Head Tube Height 90mm 90mm 100mm 120mm 140mm
Seat Tube Angle (Actual) - Low Setting 72° 72° 72° 72° 72°
Seat Tube Length - Center to Top 381mm 432mm 483mm 533mm 584mm
Seat Tube Angle (Effective) - Low Setting 74° 73.5° 73.5° 73.5° 73.5°
Bottom Bracket Height - Low Setting 299mm 299mm 299mm 299mm 299mm

Reviews