Dirt Research KOBUK (02) 1996 VS Schwinn SIERRA 1999 specs comparison

Dirt Research Kobuk (02)

General Infos

Model	Kobuk (02)
Manufacturer	Dirt Research
Year of production	1996
Current price	Check price Here ==>
Color choice	- teal -Purple
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	Not Available
Rims manufacturer	32-hole Sun Metal CR17A
Spoke nipples type	Alloy 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 140g Alloy
Handlebar extender	Dirt Research
Handlebar stem details	Dirt Research
Headset size	1 1/8 (inches) Threadless Tioga OS-NSS-DL-ST2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	113 (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 - 28 Teeth 7-speed

Dirt Research Kobuk (02) Fork System Data

Derailleur (Front)	Top-pull Shimano STX
Derailleur (Rear)	Shimano STX
Fork material	Unicrown Crown Tange Ultralight Chromoly
Fork type	Tange

Other Specs of Dirt Research Kobuk (02)

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

Schwinn Sierra

General Infos

Model	Sierra
Manufacturer	Schwinn
Year of production	1999
Current price	Check price Here ==>
Color choice	- Metallic Burgundy -Metallic Blue and Dark Blue
Sizes	- L - M - S - Women's S - Women's XS - XL - XS

Wheels And Breaking System

Bike front tire	Schwinn Moab Sweet Roll
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Tektro Linear-pull Levers Tektro 824A Linear-pull Brakes
Hubs for disc brakes	Q and R Rear: Shimano RM40 Front: Formula Aluminum
Rims manufacturer	36-hole Alloy
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Seat Tube and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	2 (inches) Rise Steel
Handlebar extender	Optional
Handlebar stem details	K2 Flexstem
Headset size	1 1/8 (inches) Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Cartridge
Crankset parts and sizes	24/34/42 Teeth Shimano Tourney
Gear shift levers	Shimano Revo
Rear gear set	11 - 28 Teeth 7-speed

Schwinn Sierra Fork System Data

Derailleur (Front)	Shimano Altus Top-swing
Derailleur (Rear)	Shimano AceraX
Fork material	Unicrown Crown Chromoly
Fork type	Schwinn

Other Specs of Schwinn Sierra

Component group sets	Mountain Mix
Pedals details	Resin Platform
Rear shock absorber	Not Available
Saddle seat	Schwinn Super Soft Plus
Seat post extension	Suspension Aluminum