GT ZUM 4.0 2006 VS Jamis COMMUTER 2 2010 specs comparison

GT ZuM 4.0

General Infos

Model	ZuM 4.0
Manufacturer	GT
Year of production	2006
Current price	Check price Here ==>
Color choice	-Light Silver
Sizes	- Xsmall - small - medium - large - xlarge
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

Jamis Commuter 2

General Infos

Model	Commuter 2
Manufacturer	Jamis
Year of production	2010
Current price	Check price Here ==>
Color choice	- Celery and Stainless - Copper and Stainless -Gloss Black and Stainless
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 14 (inches) - womens 18 (inches)

Wheels And Breaking System

Bike front tire	700 X 32c Vittoria Adventure Touring
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Tenera Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Rear: Shimano Nexus 7-Speed Internal Front: Formula Alloy QR
Rims manufacturer	36-hole Weinmann ZAC-1800
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless Steel

Frame and Body Specs

Frame materials	6061 Triple Gauge Aluminum
Frame type	TIG-welded
Handlebar construction	Jamis ARC
Handlebar extender	Optional
Handlebar stem details	NVO TM4 Adjustable
Headset size	1 1/8 (inches) Threadless VP Slimstack

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	122.5 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	42 Teeth Forged Alloy With Chainguard
Gear shift levers	Shimano SL-7S10 Revo
Rear gear set	20 Teeth 7-speed Internal

Jamis Commuter 2 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown With Tappered Legs Crown Aluminum
Fork type	Jamis City and Cross

Other Specs of Jamis Commuter 2

Component group sets	Co (millimeters)uter Mix
Pedals details	City and Cross Style Alloy
Rear shock absorber	Not Available
Saddle seat	Jamis Metro
Seat post extension	27.2 (millimeters) Diameter Jamis Alloy Micro-adjust