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Specialized Hardrock Sport Disc is the top model in line of extremely affordable entry-level hardtail mountain bikes.

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The Specialized Hardrock Sport Disc is the top model in Specialized's line of extremely affordable entry-level hardtail mountain bikes. It comes in 2 models; the standard Hardrock Sport Disc which comes with 26" wheels and as the Hardrock Sport Disc 29 which comes with 29" wheels and a 29" geometry frame.  Both models use a fully butted A1 Premium Aluminum frame with double ORE down tube for durability and light weight, and feature a 80mm smooth-travel fork with preload adjustment and size-specific spring rates. The XC crankset uses Octalink-splined BB interface for reliable pedaling power transfer and the Specialized Fast Trak LK Sport tires use a reduced knob height for lower rolling resistance. The Hardrock Sport Disc comes in a Black/Red or Yellow finish while the Hardrock Sport Disc 29 comes in a Ti (Titanium) finish.

Models
  • Hardrock Sport Disc - 26" wheels
  • Hardrock Sport Disc 29 - 29" wheels and 29" frame geometry
Specifications
  • FRAME:
    • Hardrock Sport Disc - Specialized A1 Premium Aluminum, fully butted, formed TT, Double ORE DT, externally relieved HT, reinforced disc mount, forged dropouts w/ replaceable hanger, disc only
    • Hardrock Sport Disc 29 - Specialized A1 Premium Aluminum, Trail 29" geometry, fully butted, formed TT, Double ORE DT, externally relieved HT, reinforced disc mount, forged dropouts w/ replaceable hanger, disc only
  • FORK:
    • Hardrock Sport Disc - SR Suntour SF10-XCT-V2D-MLO, 80mm, 1pc. alloy lower, 28mm Hi-Ten stanchions, mechanical LO, coil/mcu spring w/ preload adj., size-specific spring rates, spring assisted seals, disc only
    • Hardrock Sport Disc 29 - SR Suntour SF10-NVX-MLO-700C-80, 80mm, 1pc. alloy lower, 28mm Hi-Ten stanchions, coil/mcu spring w/ preload adj., size-specific spring rates, spring assisted seals, disc only
  • HEADSET: 1-1/8" threadless, loose ball
  • STEM: 3D forged alloy, 10 degree rise, 25.4mm clamp
  • HANDLEBARS: Alloy riserbar, 25mm rise, 640mm wide, 8 degree back sweep, 7 degree up sweep
  • GRIPS: Specialized Enduro, dual compound Kraton, no flange, 131mm
  • FRONT BRAKE: Avid BB5, mechanical disc, 160mm G2 Clean Sweep rotor
  • REAR BRAKE: Avid BB5, mechanical disc, 160mm G2 Clean Sweep rotor
  • BRAKE LEVERS: Alloy, linear pull
  • FRONT DERAILLEUR: Shimano Altus, 34.9mm clamp
  • REAR DERAILLEUR: SRAM X-4, mid cage
  • SHIFT LEVERS: SRAM X4-R trigger
  • CASSETTE: SRAM PG-820, 8-speed, 11-32t
  • CHAIN: KMC X8 w/ reuseable Missing Link
  • CRANKSET: SR SunTour, Octalink spline
  • CHAINRINGS: 42S x 32S x 22S replaceable
  • BOTTOM BRACKET: Shimano BB-ES25, Octalink spline, cartridge bearing, 68mm x 118mm
  • PEDALS: Steel cage, composite body, 9/16"
  • RIMS:
    • Hardrock Sport Disc - Alex RHD, 26", pinned, alloy double wall, 32h front and rear
    • Hardrock Sport Disc 29 - Alex RHD, 29", pinned, alloy double wall, 32h front and rear
  • FRONT HUB: Forged alloy, hi/low flange, double sealed, ground race, machined disc mount, 32h
  • REAR HUB: Forged alloy, double sealed, ground race, machined disc mount, cassette, 32h
  • SPOKES: 2mm (14g) stainless
  • FRONT TIRE:
    • Hardrock Sport Disc - Specialized Fast Trak LK Sport, 26x2.0", 60TPI, wire bead
    • Hardrock Sport Disc 29 - Specialized Fast Trak LK Sport, 29x2.0", 60TPI, wire bead
  • REAR TIRE:
    • Hardrock Sport Disc - Specialized Fast Trak LK Sport, 26x2.0", 60TPI, wire bead
    • Hardrock Sport Disc 29 - Specialized Fast Trak LK Sport, 29x2.0", 60TPI, wire bead
  • INNER TUBES: Schraeder valve
  • SADDLE: Specialized XC, Body Geometry, 143mm width, front and rear bumpers
  • SEATPOST: Alloy two bolt, 12.5mm offset, micro adjust, 30.9mm
  • SEAT BINDER: Alloy QR, nylon washer
  • NOTES: Chain stay protector, reflectors, clear coat, owners manual
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