Jamis COMMUTER 4 2010 VS Electra AMSTERDAM ALEXANDER GIRARD 3I 2011 specs comparison

Jamis Commuter 4

General Infos

Model	Commuter 4
Manufacturer	Jamis
Year of production	2010
Current price	Check price Here ==>
Color choice	- Pearl White -Benzegreen and Stainless
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 14 (inches) - womens 18 (inches)
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 Shimano BR-M416 Mechanical Disc Brakes
Hubs for disc brakes	Rear: Shimano Alfine Inter-8 Centerlock Disc Front: Shimano Alfine Dynamo Centerlock Disc
Rims manufacturer	36-hole Alex DC25 Disc Rims
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 Z9000
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	110.5 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	48/34t Teeth FSA Vero Compact
Gear shift levers	Shimano SL-S500
Rear gear set	18 Teeth 8-speed Internal

Jamis Commuter 4 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on Shimano R440
Derailleur (Rear)	Shimano CT-S500 Tensioner
Fork material	Unicrown With Tappered Legs Crown Aluminum
Fork type	Jamis City and Cross

Other Specs of Jamis Commuter 4

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

Electra Amsterdam Alexander Girard 3i

General Infos

Model	Amsterdam Alexander Girard 3i
Manufacturer	Electra
Year of production	2011
Current price	Check price Here ==>
Color choice	- cream - plum - red -Grey
Sizes	- Not available

Wheels And Breaking System

Bike front tire	700 X 40c City
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Alloy Levers Roller Brake Front and Coaster Rear Brakes
Hubs for disc brakes	Shimano Nexus
Rims manufacturer	36-hole Painted Aero Double Wall Alloy
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	6061 aluminum c
Frame type	Aluminum
Handlebar construction	Steel Custom Bend Riser
Handlebar extender	Optional
Handlebar stem details	Steel Extension Alloy Head
Headset size	1 (inches) Steel Threaded

Gearing Specifications

Bicycle chain	KMC 410
Bottom bracket shell width	Not Available
Bottom bracket type	Sealed Cartridge
Crankset parts and sizes	Forged Alloy
Gear shift levers	Shimano Twist
Rear gear set	19 teeth c

Electra Amsterdam Alexander Girard 3i Fork System Data

Derailleur (Front)	Shimano Nexus
Derailleur (Rear)	Shimano Nexus
Fork material	Lugged
Fork type	Not Available

Other Specs of Electra Amsterdam Alexander Girard 3i

Component group sets	Co (millimeters)uter Mix
Pedals details	Alloy
Rear shock absorber	Not Available
Saddle seat	Retro Leatherette With Springs
Seat post extension	Classic Steel Pillar