Jamis COMMUTER 4.0 2009 VS Electra AMSTERDAM- BALLOON 8D 2010 specs comparison

Jamis Commuter 4.0

General Infos

Model	Commuter 4.0
Manufacturer	Jamis
Year of production	2009
Current price	Check price Here ==>
Color choice	-Forrest Green and Bone
Sizes	- 14.5 (inches) - 16.5 (inches) - 18.5 (inches) - 20.5 (inches) - 22 (inches)
Sizes	- 14.5 (inches) - 16.5 (inches) - 18.5 (inches) - 20.5 (inches) - 22 (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 Levers Shimano M416 Mechanical Disc With 6 (inches) Rotors Brakes
Hubs for disc brakes	Rear: Shimano Alfine 8 Disc Front: Shimano Alfine Dynamo Centerlock Disc
Rims manufacturer	36-hole Weinmann Zac 2000
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	6061 aluminum c
Frame type	TIG-welded
Handlebar construction	Classic Swept-back
Handlebar extender	Optional
Handlebar stem details	Satori Adjustable
Headset size	1 1/8 (inches) 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	34/48 Teeth FSA Vero Compact
Gear shift levers	Shimano SL-S500
Rear gear set	18 Teeth 8-speed Internal

Jamis Commuter 4.0 Fork System Data

Derailleur (Front)	Shimano R440
Derailleur (Rear)	Shimano CT-S500 Tensioner
Fork material	Unicrown Crown Aluminum
Fork type	Jamis City and Cross

Other Specs of Jamis Commuter 4.0

Component group sets	Co (millimeters)uter Mix
Pedals details	Alloy Toe-clip Compatible
Rear shock absorber	Not Available
Saddle seat	Jamis Urban
Seat post extension	27.2 (millimeters) Diameter Alloy Suspension 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