Dirt Research KOBUK (01) 1997 VS Rotec HARDTAIL 1998 specs comparison

Dirt Research Kobuk (01)

General Infos

Model	Kobuk (01)
Manufacturer	Dirt Research
Year of production	1997
Current price	Check price Here ==>
Color choice	- teal -Amethyst
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches)
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) WTB VelociRaptor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano STX Levers Shimano STX M-System Brakes
Hubs for disc brakes	Shimano STX-RC
Rims manufacturer	32-hole Sun Rims DW 6000
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Columbus OR
Frame type	TIG-welded
Handlebar construction	Dirt Research 140g Aluminum
Handlebar extender	Dirt Research
Handlebar stem details	Dirt Research
Headset size	1 1/8 (inches) Threadless Tioga ST2-E

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/42 Teeth Shimano STX
Gear shift levers	Shimano STX RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Dirt Research Kobuk (01) Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Shimano STX Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Indy XC

Other Specs of Dirt Research Kobuk (01)

Component group sets	Shimano STX
Pedals details	Dirt Research Aluminum
Rear shock absorber	Not Available
Saddle seat	Dirt Research Racing
Seat post extension	27.0 (millimeters) Diameter Dirt Research

Rotec Hardtail

General Infos

Model	Hardtail
Manufacturer	Rotec
Year of production	1998
Current price	Check price Here ==>
Color choice	-Black and red and yellow fade
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Michelin Wild Gripper Lite-S Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Magura HS33 Levers Magura Hydraulic HS33 Brakes
Hubs for disc brakes	Rear: Ringle SuperDuper 8 Front: Ringle Son Of Bubba
Rims manufacturer	32-hole Sun Rims 0 XC
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Titec 6061
Handlebar extender	Optional
Handlebar stem details	Ringle Zooka
Headset size	1 1/8 (inches) Threadless Ringle Sla (millimeters)a Ja (millimeters)a

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG90
Bottom bracket shell width	Not Available
Bottom bracket type	112.5 (millimeters) Spindle Shimano BB-M950
Crankset parts and sizes	24/34/46 Teeth Shimano XTR M950
Gear shift levers	Shimano XTR RapidFire SL
Rear gear set	12 - 32 Teeth 8-speed

Rotec Hardtail Fork System Data

Derailleur (Front)	Shimano XTR Top-swing
Derailleur (Rear)	Shimano XTR SGS Rapid Rise
Fork material	Triple-clamp Crown Aluminum
Fork type	White Brothers UL70

Other Specs of Rotec Hardtail

Component group sets	Shimano XTR
Pedals details	Shimano PD-M747 SPD
Rear shock absorber	Not Available
Saddle seat	Titanium Rails SDG Ventura Comp
Seat post extension	27.2 (millimeters) Diameter Ringle Moby Duece