Marin BEAR VALLEY - ROCK SHOX MAG 21 1995 VS GT ZUM 4.0 2007 specs comparison

Marin Bear Valley - Rock Shox Mag 21

General Infos

Model	Bear Valley - Rock Shox Mag 21
Manufacturer	Marin
Year of production	1995
Current price	Check price Here ==>
Color choice	-Gun metal
Sizes	- 14 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 20.5 (inches)
Sizes	- 14 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Marin Quake 7.1 Front: 26 X 2.10 (inches) Marin Quake 7.0
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 Araya TM-18
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Tange Chromoly
Frame type	TIG-welded Steel
Handlebar construction	Marin Lite Alloy
Handlebar extender	Optional
Handlebar stem details	Marin Lite Chromoly
Headset size	1 1/8 (inches) Marin Lite

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG30
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

Marin Bear Valley - Rock Shox Mag 21 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano STX
Derailleur (Rear)	Shimano STX-RC
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Mag 21

Other Specs of Marin Bear Valley - Rock Shox Mag 21

Component group sets	Shimano STX
Pedals details	Alloy Cage With Clips & Straps Victor MTB
Rear shock absorber	Not Available
Saddle seat	Marin Lite
Seat post extension	27.0 (millimeters) Diameter Kalloy SP-248

GT ZuM 4.0

General Infos

Model	ZuM 4.0
Manufacturer	GT
Year of production	2007
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 X 1.50 (inches) Tioga City Slicker
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano ST-EF29 Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Alloy QR
Rims manufacturer	Alloy Double Wall
Spoke nipples type	Brass Nipples
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	ZuM 6061 Butted Aluminum
Frame type	TIG-welded
Handlebar construction	6061 Heat Treated GT Mtn Riser
Handlebar extender	Not Available
Handlebar stem details	GT ATB
Headset size	FSA Integrated

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge Sealed
Crankset parts and sizes	22/32/42 Teeth Suntour XCT-202
Gear shift levers	Shimano ST-EF50
Rear gear set	11 - 32 Teeth 8-speed

GT ZuM 4.0 Fork System Data

Derailleur (Front)	Shimano Acera
Derailleur (Rear)	Shimano Acera
Fork material	Unicrown Crown Aluminum and magnesium
Fork type	60 (millimeters) Travel SR NRX-4000

Other Specs of GT ZuM 4.0

Component group sets	Mountain Mix
Pedals details	High Impact Nylon Platform
Rear shock absorber	Not Available
Saddle seat	WTB Speed V
Seat post extension	GT Aluminum 6061