Frame:Specialized A1 Premium aluminium, fully butted, formed TT, Double ORE DT, externally relieved HT, reinforced disc mount, forged dropouts with replaceable hanger, disc onlyFork:SR Suntour SF11-XCR-DS-26-LO-SP, 80mm, 1 piece alloy lower, 30mm steel stanchions, hydraulic damping with mic-tuned spike valve & lock-outFront Derailleur:Shimano Alivio, 34.9mm clamp, top swing, dual pullRear Derailleur:Shimano Alivio, 9 speed, long cageShifters:Shimano Alivio SL, Rapid fire triggerChainset:Shimano FC-M430C-8, Octalink splineChainrings:44 x 32 x 22, with chainguardBottom Bracket:Shimano BB-ES25, Octalink spline, cartridge bearing, 68mm x 118mmCassette:Shimano HG50, 9-speed, 11-34 toothChain:KMC X9 with reusable Missing LinkPedals:Alloy 1 piece body and cage, reflector kit, 9/16"Front Brake:Shimano BR-M445 hydraulic disc brake, dual piston, 160mm rotorRear Brake:Shimano BR-M445 hydraulic disc brake, dual piston, 160mm rotorBrake Levers:Shimano BR-M445 hydraulicHandlebars:Butted alloy riserbar, 25mm rise, 8 degree back sweep, 6 degree upStem:3D forged alloy, 4 bolt, 7 degree rise, 31.8mm clampHeadset:1 1/8" threadless, loose ball bearingsGrips:Specialized Enduro, dual compound Kraton, no flange, 131mmRims:Alex RHD 26", alloy double wall, pinned with eyelets, 32 holeFront Hub:Forged alloy, hi/low flange, double sealed, ground race, machined disc mount and flange, Quick Release, 32 holeRear Hub:Forged alloy, mid flange, double sealed, ground race, machined disc mount and flanges, cassette, Quick Release, 32 holeSpokes:2mm (14g) stainlessFront Tyre:Specialized Fast Trak LK Sport, 26x2.0", 60TPI, wire beadRear Tyre:Specialized Fast Trak LK Sport, 26x2.0", 60TPI, wire beadTubes:Schrader valveSaddle:Specialized XC, Body Geometry, 143mm width, front and rear bumpersSeatpost:Alloy two bolt, 12.5mm offset, micro adjust, 30.9mmSeat Binder:Forged alloy Quick Release, brass washerExtra Features:Chain stay protector, reflectors, clear coatWeight:Approx. 29.69lbs (13.47kg) for the 21 Inch Size.