Nishiki OPTIMA SC 1998 VS Jamis COMMUTER 3.0 WOMANS 2009 specs comparison

Nishiki Optima SC

General Infos

Model	Optima SC
Manufacturer	Nishiki
Year of production	1998
Current price	Check price Here ==>
Color choice	-Okanagon Green
Sizes	- 16 (inches) - 18 (inches) - 20 (inches) - womens 16 (inches) - womens 19 (inches)
Sizes	- 16 (inches) - 18 (inches) - 20 (inches) - womens 16 (inches) - womens 19 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Rolleasy Comfort
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Levers Shimano Altus Brakes
Hubs for disc brakes	Shimano RM40
Rims manufacturer	36-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Chung Nan Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	2 (inches) Rise Aluminum
Handlebar extender	Optional
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Victor VP-H94 Sealed

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z-51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110.5 (millimeters) Spindle Shimano BB-LP27
Crankset parts and sizes	24/34/42 Teeth Sugino Impel 250
Gear shift levers	Grip Shift SRT-4.0
Rear gear set	12 - 28 Teeth 7-speed

Nishiki Optima SC Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Unicrown Crown 4130 Chromoly
Fork type	Nishiki Comfort

Other Specs of Nishiki Optima SC

Component group sets	Shimano Alivio
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Selle Stratos Hyper Plush With Bumper Guard
Seat post extension	27.2 (millimeters) Diameter Aluminum Micro-adjust

Jamis Commuter 3.0 Womans

General Infos

Model	Commuter 3.0 Womans
Manufacturer	Jamis
Year of production	2009
Current price	Check price Here ==>
Color choice	- Sugar Blue and Bone -Cabernet Red and Bone
Sizes	- Womens 14.5 (inches) - womens 17.5 (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 Forged Alloy Dual Pivot Brakes
Hubs for disc brakes	Rear: Shimano Nexus Inter-8 Front: Formula Alloy
Rims manufacturer	36-hole Weinmann Zac 1800
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 Z610 Rust Buster
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	113 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	42 Teeth Forged Alloy
Gear shift levers	Shimano SL-S500
Rear gear set	20 Teeth 8-speed Internal

Jamis Commuter 3.0 Womans Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Aluminum and steel Steerer
Fork type	Jamis City and Cross

Other Specs of Jamis Commuter 3.0 Womans

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