Marin BEAR VALLEY 2003 VS GT ZUM 4.0 2006 specs comparison

Marin Bear Valley

General Infos

Model	Bear Valley
Manufacturer	Marin
Year of production	2003
Current price	🛒 View Price →
Color choice	-Matte Silver
Sizes	- 13.5 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 20.5 (inches)
Sizes	- 13.5 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	700 X 28c Kenda Road
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Levers Avid Single Digit 3 Brakes
Hubs for disc brakes	Formula Xero Lite
Rims manufacturer	20-hole and 24-hole Formula Xero Lite XR4
Spoke nipples type	Not Available
Spoke wheel	15ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Double-butted 7000 Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum Flat Bar
Handlebar extender	Ovation
Handlebar stem details	Aluminum 4 Bolt
Headset size	1 1/8 (inches) Threadless WTB Momentum Comp AL

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed Cartridge
Crankset parts and sizes	30/42/52 Teeth TruVativ Elita
Gear shift levers	Shimano ST- R223
Rear gear set	12 - 24 Teeth 8-speed

Marin Bear Valley Fork System Data

Derailleur (Front)	Shimano Sora Triple
Derailleur (Rear)	Shimano Sora GS
Fork material	Unicrown Crown 7005 T6 Aluminum
Fork type	Not Available

Other Specs of Marin Bear Valley

Component group sets	Hybrid Mix
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	WTB Speed V Sport
Seat post extension	27.0 (millimeters) Diameter Marin Comp Aluminum

GT ZuM 4.0

General Infos

Model	ZuM 4.0
Manufacturer	GT
Year of production	2006
Current price	🛒 View Price →
Color choice	-Light Silver
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 X 1.25 (inches) Tioga City Slicker
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	110 (millimeters) Arms 70 (millimeters) DIN Pads Brakes Shimano ST-EF29 Levers Tektro Linear Pull
Hubs for disc brakes	Rear: Alloy QR Casette Hub Front: Alloy QR Hub
Rims manufacturer	Double Wall Alloy Rims With CNC Type Sidewall
Spoke nipples type	Brass CP
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	GT Triple Triangle 6061 Custom Tube-set
Frame type	TIG-welded
Handlebar construction	Butted 6061 Heat Treated Aluminum GT Riser Bar
Handlebar extender	Not Available
Handlebar stem details	Threadless 25 Degree Rise With 4 Bolt Alum Face Plate GT ATB
Headset size	FSA Integrated

Gearing Specifications

Bicycle chain	Shimano
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge Sealed
Crankset parts and sizes	22/32/44 Teeth Suntour XCT-252
Gear shift levers	Shimano ST-EF29
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	Steel and aluminum and magnesium
Fork type	50 (millimeters) SR NRX-6000

Other Specs of GT ZuM 4.0

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