Jamis COMMUTER 1 2011 VS Electra AMSTERDAM- BALLOON 8D 2010 specs comparison

Jamis Commuter 1

General Infos

Model	Commuter 1
Manufacturer	Jamis
Year of production	2011
Current price	Check price Here ==>
Color choice	- pearl white - sangria -Black pearl
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 CST Marathon and Tour
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Alloy 4-finger Levers Alloy Direct Pull Brakes
Hubs for disc brakes	Formula Alloy
Rims manufacturer	36-hole Alex R-1000
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	Jamis Alloy
Headset size	1 1/8 (inches) Threaded

Gearing Specifications

Bicycle chain	KMC Z7
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	129 (millimeters) Spindle VP Sealed Cartridge
Crankset parts and sizes	44T Teeth Forged Alloy
Gear shift levers	Shimano Revo Shift SL-RS43
Rear gear set	14 - 34 Teeth 7-speed

Jamis Commuter 1 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Altus
Fork material	Steel
Fork type	Hi Ten

Other Specs of Jamis Commuter 1

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

Electra Amsterdam- Balloon 8D

General Infos

Model	Amsterdam- Balloon 8D
Manufacturer	Electra
Year of production	2010
Current price	Check price Here ==>
Color choice	-Black
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	26 X 2.35 (inches) Schwalbe Fat Frank
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy 4 Finger Reach Adjust Levers Shimano Nexus Roller Brake Brakes
Hubs for disc brakes	Rear: Shimano Nexus Freehub With Roller Brake Front: Shimano Nexus BR-IM41
Rims manufacturer	36-hole Painted and Pin Striped Alloy
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	High Tensile Steel
Frame type	TIG-welded
Handlebar construction	3.5 (inches) Rise X 23.25 (inches) Width Alloy Custom Bend Riser
Handlebar extender	Optional
Handlebar stem details	3D Forged
Headset size	1 (inches) Threadless Steel

Gearing Specifications

Bicycle chain	KMC Z72
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	42 Teeth Forged Alloy With Chainguard
Gear shift levers	Shimano Alivio Rapid Fire
Rear gear set	11 - 32 Teeth 8-speed

Electra Amsterdam- Balloon 8D Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Acera
Fork material	Lugged Crown Steel
Fork type	Not Available

Other Specs of Electra Amsterdam- Balloon 8D

Component group sets	Co (millimeters)uter Mix
Pedals details	Alloy Platform With Kraton Inserts
Rear shock absorber	Not Available
Saddle seat	Retro Leatherette With Springs
Seat post extension	25.6 (millimeters) Diameter Butted Alloy Micro-adjust