Dirt Research KOBUK SUSPENSION 1995 VS Kona CALDERA 2004 specs comparison

Dirt Research Kobuk Suspension

General Infos

Model	Kobuk Suspension
Manufacturer	Dirt Research
Year of production	1995
Current price	Check price Here ==>
Color choice	-Amethyst -bright teal
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	Rear: 26 X 1.95 (inches) Tioga Psycho II Front: 26 X 2.10 (inches) Tioga Psycho II
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
Rims manufacturer	32-hole Sun Metal CRT16 II
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Union Stainless Steel

Frame and Body Specs

Frame materials	Columbus OR
Frame type	TIG-welded Steel
Handlebar construction	Dirt Research 180g Alloy
Handlebar extender	Dirt Research
Handlebar stem details	Dirt Research Threadless Alloy
Headset size	1 1/8 (inches) Tioga Alchemy

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC HP-70S
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/42 Teeth Shimano STX HyperDrive-C
Gear shift levers	Shimano STX RapidFire Plus
Rear gear set	11 - 28 Teeth 7-speed

Dirt Research Kobuk Suspension Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Shimano STX
Derailleur (Rear)	Shimano STX
Fork material	Aluminum and chromoly
Fork type	Dirt Research 600A

Other Specs of Dirt Research Kobuk Suspension

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

Kona Caldera

General Infos

Model	Caldera
Manufacturer	Kona
Year of production	2004
Current price	Check price Here ==>
Color choice	-Red and Black
Sizes	- 14 (inches) - 16 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Tioga Terra Firma
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes HFX-9 Hydraulic Disc Levers Hayes HFX-9 Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Shimano FH-M475 Disc Front: Shimano HB-M475 Disc
Rims manufacturer	32-hole Mavic XM 117 Disc
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Front and 14ga. Rear Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Kona Aluminum Riser
Handlebar extender	Optional
Handlebar stem details	TruVativ XR
Headset size	1 1/8 (inches) Threadless Victor VP-A71

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-ES30
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M445 Hollowtech
Gear shift levers	Shimano Deore RapidFire
Rear gear set	11 - 32 Teeth 9-speed

Kona Caldera Fork System Data

Derailleur (Front)	Top-pull and clamp-on Shimano Deore
Derailleur (Rear)	Shimano Deore XT
Fork material	Single Crown Aluminum
Fork type	100 (millimeters) Travel Marzocchi EXR Pro Coil

Other Specs of Kona Caldera

Component group sets	Mountain Mix
Pedals details	Shimano PD-M505 SPD
Rear shock absorber	Not Available
Saddle seat	Kona Comfort Comp
Seat post extension	Kona Thumb