Jamis COMMUTER 1 2010 VS Electra TOWNIE SPORT TIAGRA 2009 specs comparison

Jamis Commuter 1

General Infos

Model	Commuter 1
Manufacturer	Jamis
Year of production	2010
Current price	Check price Here ==>
Color choice	- Pearl White and Stainless - Reef Blue and Stainless -Pewter 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 CST Marathon and Tour
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Tenera Levers Alloy Direct Pull Brakes
Hubs for disc brakes	Rear: Shimano Nexus 3 Speed Internal Gear Front: Formula Alloy QR
Rims manufacturer	36-hole Alex R-1000
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	Jamis Alloy Quill Type
Headset size	1 1/8 (inches) Threaded Sealed

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	129 (millimeters) Spindle VP Sealed Bolt Type 3RB Axle
Crankset parts and sizes	44 Teeth Forged Alloy With Chainguard
Gear shift levers	Shimano SL-7S10 Revo
Rear gear set	20 Teeth 3-speed Internal

Jamis Commuter 1 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown With Tappered Legs Crown High-tensile Steel
Fork type	Jamis

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 Townie Sport Tiagra

General Infos

Model	Townie Sport Tiagra
Manufacturer	Electra
Year of production	2009
Current price	Check price Here ==>
Color choice	-Black
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	700 X 32c
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano R550 Levers Tektro Forged Alloy Dual Pivot Brakes
Hubs for disc brakes	Rear: Alloy Cassette Front: Alloy Low Flange
Rims manufacturer	32-hole Alloy Double Wall
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	6061-T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Alloy Custom Bend Riser
Handlebar extender	Optional
Handlebar stem details	3D Forged
Headset size	1 1/8 (inches) Threaded

Gearing Specifications

Bicycle chain	Shimano HG53-9
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	113 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	34/50 Teeth FSA Vero
Gear shift levers	Shimano SL-R440/R441
Rear gear set	12 - 26 Teeth 9-speed

Electra Townie Sport Tiagra Fork System Data

Derailleur (Front)	Shimano R440
Derailleur (Rear)	Shimano Tiagra
Fork material	Unicrown Crown 7005 Aluminum
Fork type	Not Available

Other Specs of Electra Townie Sport Tiagra

Component group sets	Shimano Tiagra
Pedals details	Alloy Cage Toe and clip & Strap
Rear shock absorber	Not Available
Saddle seat	Selle Royal Ariel Vacuum Light
Seat post extension	27.2 (millimeters) Diameter Alloy Micro Adjust