Disclaimer:  The following information comes from the web (http://cycling.sporthappy.com/bicyclefinder, & http://www.bikereviews.com/bikefind.htm).  In no way is the information guaranteed accurate nor does it reflect K2's current or latest specifications.  It has been compared with the printed, color catalogs for verification only.  K2 is not responsible for any mis-information or errors represented on the pages of this site.

[Note: In general, the 1999 full and front-only suspension mt bikes used a bottom pull, top swing, 31.8mm front derailer, and a BB of 73mm width.  The exceptions seem to be the 900, 4000RS, Razorback (basic RB, not RS or RS-SL), Zed V and Zed X (not M)--of which are mentioned by riders as using a 68mm BB width.  The Hardtail Razorbacks and Zeds, riders tell me, use a 34.9mm front der clamp size, top pull, and can be either top or bottom swing.  Please note, this information probably has errors, as I can not confirm the numbers without the bikes in my possession.]
 

Model	900	1000	3000	4000	4000RS	Flying Monkey	Oz-M	Oz-M Superlight	Oz-X	Razorback RS	Razorback RS Superlight
Price	$999	$1,299	$1,599	$2,099	$2,099	$1,399	$4,099	$3,850	$2,299	$2,299	$2,999
frame material	7005 aluminum	7005 aluminum	Easton Custom 7005 FS	Easton 7005 Elite	Easton Custom 7005 FS	7005 aluminum	K2 carbon-reinforced thermoplastic	K2 carbon-reinforced thermoplastic	K2 carbon-reinforced thermoplastic	Easton Custom 7005 FS	Easton Custom 7005 FS
fork	RST Zeta EL	K2 Smart Fork	K2 Smart Fork	Noleen Cross-Link Elite S w/Smart Shock	Noleen Cross-Link Elite w/Noleen NR-2	Noleen Chubby LT	Noleen Cross-Link Pro Carbon w/Smart Shock	Noleen Cross-Link Elite w/Noleen NR 2	K2 Smart Fork	Noleen Cross-Link Elite w/Noleen NR-2	Noleen Cross-Link Elite w/Noleen NR 2
Rear Shock	Noleen NR-1	Noleen NR-1	Noleen NR-2	Noleen NR-2	Noleen NR-2	Noleen NR-1	Noleen NR-2	Noleen NR-2	Noleen NR-2	Noleen Pull Shock	Noleen Pull Shock
Rims	Weinmann Zac 19	Weinmann Zac 19	Sun Rims Sub 4	Sun Rims Sub 4	Sun Rims O-lite	Sun Rims Rhyno Lite	Sun Rims 0 XC	Sun Rims Sub 4	Sun Rims Sub 4	Sun Rims O-lite	Sun Rims Sub 4
Front Hub	alloy O/S	Shimano Deore LX	Shimano Deore LX	Shimano Deore LX	Shimano Deore XT	Shimano Deore LX	Shimano XTR	Real	Shimano Deore LX	Shimano Deore LX	Real
Rear Hub	Shimano Alivio	Shimano Deore LX	Shimano Deore LX	Shimano Deore LX	Shimano Deore XT	Shimano Deore LX	Shimano XTR	Shimano XTR	Shimano Deore LX	Shimano Deore LX	Shimano XTR
Spokes	Marwi	Marwi	Marwi	DT	DT	Marwi	DT	DT	DT	DT	DT
tires	Geax Sedona 200	Geax Sedona 200	Panaracer Mach SS kevlar	Panaracer Mach SS front, Panaracer Mach SK rear	Panaracer Fire XC kevlar	Geax Warp front, Geax Hook rear	Panaracer Fire XC kevlar	Panaracer Fire XC kevlar	Panaracer Mach SS kevlar	Panaracer Fire XC kevlar	Panaracer Fire XC kevlar
Pedals	K2 clipless	K2 clipless	K2 clipless	K2 Mag-C clipless	K2 Mag-C clipless	K2 clipless	K2 Mag-T clipless	K2 Mag-T clipless	K2 clipless	K2 Mag-C clipless	K2 Mag-T clipless
Crank	Shimano STX-RC	Shimano Deore LX	Shimano Deore LX	Shimano Deore XT	Shimano Deore XT	Shimano Deore LX	Race Face Turbine LP	Race Face Turbine LP	Race Face Turbine LP	Race Face Turbine LP	Race Face Turbine LP
Chain	KMC IG-31	Shimano CN-HG72	Shimano CN-HG72	Shimano CN-HG72	Shimano CN-HG72	Shimano CN-HG72	Shimano CN-HG92	Shimano CN-HG92	Shimano CN-HG72	Shimano CN-HG72	Shimano CN-HG92
Cogset	11-32	11-32	11-32	11-32	11-32	11-32	12-34	12-34	11-32	11-32	12-34
Bottom Bracket	Shimano	Shimano	Shimano Deore LX	Shimano Deore XT	World Class Ti	Shimano Deore LX	Race Face Ti	Real Titanium	Shimano Deore LX	Shimano Deore LX	Real Titanium
Front Derailleur	Shimano STX-RC	Shimano STX-RC	Shimano Deore LX	Shimano Deore XT	Shimano Deore LX	Shimano Deore LX	Shimano XTR top-swing	Shimano XTR top-swing	Shimano Deore LX top-swing	Shimano Deore LX top-swing	Shimano XTR
Rear Derailleur	Shimano Deore LX	Shimano Deore LX	Shimano Deore XT	Shimano Deore XT	SRAM ESP 9.0	Shimano Deore LX	Shimano XTR SGS	Shimano XTR SGS	Shimano Deore XT SGS	SRAM ESP 9.0	Shimano XTR
Shifters	Shimano STX-RC RapidFire SL	Shimano STX-RC RapidFire SL	Shimano Deore LX	Shimano Deore XT RapidFire SL	SRAM ESP 9.0 SL	Shimano STX-RC RapidFire SL	Shimano XTR RapidFire	Shimano XTR RapidFire	Shimano Deore LX RapidFire SL	SRAM ESP 9.0 SL	Shimano XTR RapidFire
Handlebar	K2 Riser	K2 Riser	Titec Enduro HF	Easton EA-70	Easton EA-70	K2 Riser	Easton CT2	Easton CT2	Titec Enduro EF	Easton EA-70	Easton CT2
Stem	K2 TIG alloy	K2 TIG alloy	K2 TIG alloy	Titec Big AL	Titec Big AL	K2 TIG alloy	Titec Big AL	Titec Big AL	Titec Big AL	Titec Big AL	Titec Big AL
Headset	VP sealed steel	Tange	Tange	Tange-Seiki DX-2	Tange-Seiki DX-2	Tange	Race Face Thermo SP	Tange-Seiki DX-2	Tange-Seiki DX-2	Tange-Seiki DX-2	Tange-Seiki DX-2
Front Brake	Tektro linear-pull	Avid SD-10	Avid Arch Rival 40	Avid SD-25	Avid SD-25	Magura HS 22	Avid Arch Rival 50	Avid SD-2.5	Avid Arch Rival 40	Avid SD-25	Avid SD-2.5
Rear Brake	Tektro linear-pull	Avid SD-10	Avid Arch Rival 40	Avid SD-25	Avid SD-25	Magura HS 22	Avid Arch Rival 50	Avid SD-2.5	Avid Arch Rival 40	Avid SD-25	Avid SD-2.5
Saddle	SDG Belair B17	SDG Belair B17	Selle Italia Trimatica	Selle Italia Nitrox PD	Selle Italia Nitrox PD	SDG Belair B17	Selle Italia Flight Vanadium	Selle Italia Flite Manganese rails	Selle Italia Trimatica	Selle Italia Trimatica	Selle Italia Flite Manganese rails
Seatpost	K2 alloy	K2 alloy	K2 alloy	Easton EA-70	Easton EA-70	K2 alloy	Easton CT2	Easton CT2	K2 micro-adjust	K2 micro-adjust	Easton CT2
Colors	Gloss Grey, Race Red	K2 Blue	Bright Yellow	Gloss Grey, Team White/Red Fade	Gloss Grey, Team White/Red Fade	School Bus Yellow	Natural Carbon	Natural Carbon	Natural Carbon	Team White/Red Fade	Team White/Red Fade
Sizes	large, medium, small, way big	large, medium, small, way big	large, medium, small, way big	large, medium	large, medium, small, way big	large, medium, small, way big	large, medium	large, medium	large, medium	large, medium, small, way big	large, medium, small, way big

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