Jamis COMMUTER 4 2010 VS Trek DISTRICT 2009 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

Trek District

General Infos

Model	District
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Vintage Gray
Sizes	- 50cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 28c Bontrager Race Lite
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Alloy Levers Alloy Dual Pivot Brakes
Hubs for disc brakes	Alloy
Rims manufacturer	Alloy
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Black Aluminum
Frame type	TIG-welded
Handlebar construction	Trek Urban
Handlebar extender	Optional
Handlebar stem details	Bontrager Soho
Headset size	1 1/8 (inches) Sealed

Gearing Specifications

Bicycle chain	Belt Drive
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	55t Teeth Bontrager Satellite Nebula Belt Drive
Gear shift levers	Not Available
Rear gear set	22 Teeth 1-speed

Trek District Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Aero Crown Carbon and Alloy Steerer
Fork type	Bontrager Satellite Plus

Other Specs of Trek District

Component group sets	Not Available
Pedals details	MKS Sylvan Track
Rear shock absorber	Not Available
Saddle seat	Bontrager Race
Seat post extension	Bontrager Satellite Nebula