Jamis COMMUTER 2.0 2007 VS GT ZUM 4.0 2006 specs comparison

Jamis Commuter 2.0

General Infos

Model	Commuter 2.0
Manufacturer	Jamis
Year of production	2007
Current price	🛒 View Price →
Color choice	- Cucumber - Monaco Blue -Aztec Orange
Sizes	- 14.5” - 16.5” - 18.5” - 20.5” - 22” - women's 14.5” - women's 17.5”
Sizes	- 14.5” - 16.5” - 18.5” - 20.5” - 22” - women's 14.5” - women's 17.5”

Wheels And Breaking System

Bike front tire	700 X 32c Kenda Kwest
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Tenera Levers Tektro Forged Alloy Brakes
Hubs for disc brakes	Formula Alloy QR
Rims manufacturer	36-hole Weinmann Zac 1800
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	6061 Aluminum c
Frame type	TIG-welded
Handlebar construction	Classic City-bike Style
Handlebar extender	Optional
Handlebar stem details	Jamis Alloy Adjustable
Headset size	1 (inches) Threaded Sealed

Gearing Specifications

Bicycle chain	KMC UG-51
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	113 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	42 Teeth Forged
Gear shift levers	SRAM TRX Trigger
Rear gear set	11 - 32 Teeth 8-speed

Jamis Commuter 2.0 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Acera
Fork material	Unicrown Crown Aluminum and steel
Fork type	Jamis City and Cross

Other Specs of Jamis Commuter 2.0

Component group sets	Co (millimeters)uter Mix
Pedals details	City and Cross
Rear shock absorber	Not Available
Saddle seat	Jamis Comfort
Seat post extension	27.2 (millimeters) Diameter Suspension

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