Ross DIAMOND TRIMATIC W/FENDERS 1997 VS Jamis COMMUTER 4 2011 specs comparison

Ross Diamond Trimatic w/fenders

General Infos

Model	Diamond Trimatic w/fenders
Manufacturer	Ross
Year of production	1997
Current price	Check price Here ==>
Color choice	-Teal
Sizes	- 19 (inches) - 21 (inches) - womens 16 (inches) - womens 19 (inches)
Sizes	- 19 (inches) - 21 (inches) - womens 16 (inches) - womens 19 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.50 (inches) Cheng Shin
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tourist Aluminum Levers Coaster Brake and side-pull Front Brakes
Hubs for disc brakes	Rear: Shimano 3-speed Coaster Brake Nutted Front: Steel
Rims manufacturer	36-hole Rigida AS-26
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Richman Stainless Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Cruiser Bend
Handlebar extender	Not Available
Handlebar stem details	Steel
Headset size	1 (inches) YST 665

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC 410
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	122.5 (millimeters) Spindle YST BB 621
Crankset parts and sizes	44 Teeth Dotek Aluminum
Gear shift levers	Shimano 3-speed
Rear gear set	18 Teeth 3-speed Internal

Ross Diamond Trimatic w/fenders Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Ross

Other Specs of Ross Diamond Trimatic w/fenders

Component group sets	Not Available
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Selle Master Comfort With Springs
Seat post extension	25.4 (millimeters) Diameter Steel Pillar

Jamis Commuter 4

General Infos

Model	Commuter 4
Manufacturer	Jamis
Year of production	2011
Current price	Check price Here ==>
Color choice	- pearl white -Winter blue
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 Inter-8 Front: Shimano DH2N35 Dynamo Hub
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-8S20
Rear gear set	20 Teeth 1-speed

Jamis Commuter 4 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 4

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