Advice on used mountain bike purchase
I am looking at buying a used mountain bike and need someone a little more experienced than myself to let me know if this is a good deal or not. The asking price on the bike is $1000. The specs are as follows:
Stumpjumper FSR—Custom built on a 2003 Frame
FRAME (2003): Specialized Stumpjumper FSR
REAR SHOCK: Fox Float RL, air spring and rebound adj., compression lockout, 6.0x1.25"
FORK: 2004 Manitou Skareb Platinum: an XC race fork
HEADSET: FSA PIG HEADSET, Black, 1 1/8"
STEM: EASTON EA70 XC STEM Black, 120mm, 10° Rise
HANDLEBARS: Specialized XC Low Rise bar, 6066 Alloy, 6 degree upsweep, 8 degree backsweep, 640mm width
FRONT BRAKE: Avid Ball Bearing Seven Mech. Disc Brake, Silver, Front
REAR BRAKE: Avid Ball Bearing Seven Mech. Disc Brake 160MM, Silver, Rear.
BRAKE/SHIFT LEVERS: Shimano XT M760.
FRONT DERAILLEUR:SHIMANO XT M760 FRONT DERAILLEUR, 34.9/31.8/28.6, Dual Pull
REAR DERAILLEUR:SHIMANO XTR M952 REAR, Long Cage
CASSETTE: Shimano XT M760
CHAIN: SHIMANO HG-93 CHAIN
CRANKSET: Shimano XT Hollowtech II Crankset - M760: 860g
CHAINRINGS: 44-32-22T. Aluminum.
PEDALS: Performance Bicycle Campus pedals
RIMS: Mavic 717, 26", silver.
FRONT HUB:Shimano XT 765 Disc hubset, 32H.
REAR HUB: Shimano XT 765 Disc hubset, 32H.
SPOKES: DT stainless 15 gauge spokes and brass nipples in a three-cross pattern
SADDLE: JAMIS ATB SADDLE, Grey/Black, F&R Guards, Steel Rails
SEAT POST: 2014 Alloy, black, 30.9 x 350/400mm
SEAT BINDER: Alloy collar with Q/R, 34.9mm clamp I.D., black
Any advice/help would be appreciated. Also, if there is a component or two on the above list that should be upgraded, please let me know. Thanks