Jamis COMMUTER 4 2011 VS Electra AMSTERDAM GIRARD 3I TREE OF LIFE 2009 specs comparison

Jamis Commuter 4

General Infos

Model	Commuter 4
Manufacturer	Jamis
Year of production	2011
Current price	Check price Here ==>
Color choice	- pearl white -Winter blue
Sizes	- M: 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 F: 14 (inches) - 18 (inches)
Sizes	- M: 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 F: 14 (inches) - 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 Inter-8 Front: Shimano DH2N35 Dynamo Hub
Rims manufacturer	36-hole Alex ID-19
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless Steel Stainless

Frame and Body Specs

Frame materials	6061 Triple Gauge Aluminum
Frame type	Aluminum
Handlebar construction	Jamis ARC
Handlebar extender	Optional
Handlebar stem details	NVO Components
Headset size	1 1/8 (inches) 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	42T Teeth Forged Alloy
Gear shift levers	Shimano RevoShift SL-8S20
Rear gear set	20 Teeth 1-speed

Jamis Commuter 4 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Aluminum
Fork type	Jamis City and Cross

Other Specs of Jamis Commuter 4

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

Electra Amsterdam Girard 3i Tree of Life

General Infos

Model	Amsterdam Girard 3i Tree of Life
Manufacturer	Electra
Year of production	2009
Current price	Check price Here ==>
Color choice	-White
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	700 X 40c City Tread
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Coaster Brake Rear
Hubs for disc brakes	Rear: Shimano Nexus 3 Speed Internal Gear With Coaster Brake Front: Alloy Low Flange
Rims manufacturer	36-hole Alloy Double Wall
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	High Tensile Steel
Frame type	TIG-welded
Handlebar construction	Steel Custom Bend Riser
Handlebar extender	Optional
Handlebar stem details	Alloy Quill
Headset size	1 (inches) Threaded

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	116 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	38 Teeth Forged Alloy
Gear shift levers	Shimano Revo Twist
Rear gear set	19 Teeth 3-speed Internal

Electra Amsterdam Girard 3i Tree of Life Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Steel
Fork type	Not Available

Other Specs of Electra Amsterdam Girard 3i Tree of Life

Component group sets	Co (millimeters)uter Mix
Pedals details	Resin Platform With Non-slip Inserts
Rear shock absorber	Not Available
Saddle seat	Retro Leatherette With Springs
Seat post extension	25.4 (millimeters) Diameter Steel Pillar