Electra AMSTERDAM ROYAL 8I 2010 VS Jamis COMMUTER 3 2011 specs comparison

Electra Amsterdam Royal 8i

General Infos

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

Wheels And Breaking System

Bike front tire	700 X 40c City
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Alloy 4 Finger Reach Adjust Levers Shimano Nexus BR-IM41 Roller Brake Brakes
Hubs for disc brakes	Rear: Shimano Nexus Freehub With Roller Brake Front: Shimano Nexus BR-IM41
Rims manufacturer	36-hole Polished Double-Wall Alloy
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	Dutch Royal 6061 T-6 Alloy
Frame type	TIG-welded
Handlebar construction	3.5 (inches) Rise X 24.8 (inches) Width Alloy Custom Bend Riser
Handlebar extender	Optional
Handlebar stem details	Alloy Head Steel Quill
Headset size	1 1/8 (inches) Threaded Alloy

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	170 (millimeters) 38 Teeth Forged Alloy
Gear shift levers	Shimano Revo Twist
Rear gear set	19 Teeth 8-speed Internal

Electra Amsterdam Royal 8i Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown 4130 Chromoly
Fork type	Not Available

Other Specs of Electra Amsterdam Royal 8i

Component group sets	Co (millimeters)uter Mix
Pedals details	Alloy Platform With Non-slip Rubber Tread
Rear shock absorber	Not Available
Saddle seat	Retro Leatherette With Springs
Seat post extension	27.2 (millimeters) Diameter Butted Alloy Micro-adjust

Jamis Commuter 3

General Infos

Model	Commuter 3
Manufacturer	Jamis
Year of production	2011
Current price	Check price Here ==>
Color choice	- pearl blue -Gloss black
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 7-Speed Internal Front: Formula Alloy
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-7S10
Rear gear set	20 Teeth 1-speed

Jamis Commuter 3 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 3

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