Nishiki OPTIMA SC 1999 VS GT TRAFFIC 3.0 GTW 2011 specs comparison

Nishiki Optima SC

General Infos

Model	Optima SC
Manufacturer	Nishiki
Year of production	1999
Current price	Check price Here ==>
Color choice	-Champagne Vapor (White)
Sizes	- 14.5 (inches) - 16.5 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches) - womens 16 (inches) - womens 19 (inches)
Sizes	- 14.5 (inches) - 16.5 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches) - womens 16 (inches) - womens 19 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Kenda K-847
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro 379A Levers Tektro 824A Linear-pull 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	Chromoly and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Optional
Handlebar stem details	Adjustable Aluminum
Headset size	1 1/8 (inches) Victor VP-H67

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z-51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	117.5 (millimeters) Spindle Victor VPB-33
Crankset parts and sizes	24/34/42 Teeth Shimano AceraX
Gear shift levers	Shimano Revo TY-40
Rear gear set	11 - 28 Teeth 7-speed

Nishiki Optima SC Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano AceraX Top-swing
Derailleur (Rear)	Shimano AceraX
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Nishiki

Other Specs of Nishiki Optima SC

Component group sets	Hybrid Mix
Pedals details	Victor VP-806
Rear shock absorber	Not Available
Saddle seat	Selle Stratos Hyper Expert Duo-Compound Lycra Comfort
Seat post extension	26.0 (millimeters) Diameter Suspension Aluminum

GT Traffic 3.0 GTW

General Infos

Model	Traffic 3.0 GTW
Manufacturer	GT
Year of production	2011
Current price	Check price Here ==>
Color choice	-Matte black
Sizes	- XS - S - M - L

Wheels And Breaking System

Bike front tire	700 X 40c Schwalbe Roadcruiser
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano EF-50 Levers With 110 (millimeters) Arms Brakes Direct Pull
Hubs for disc brakes	Pinhead Locking QR Pinhead Locking QR Alloy Freehub Rear: Alloy Freehub Front: Alloy With Pinhead Locking Skewer
Rims manufacturer	36-hole Alex ACE-17
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	7000 Series Aluminum With Hydro Formed TT
Frame type	Aluminum
Handlebar construction	GT All Terra Alloy MTB Riser
Handlebar extender	Optional
Handlebar stem details	GT All Terra Alloy
Headset size	1 1/8 (inches) Sealed Mech

Gearing Specifications

Bicycle chain	KMC HG-40
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge Sealed
Crankset parts and sizes	48/38/28t Teeth Suntour CW9-XCC
Gear shift levers	Shimano EF-50
Rear gear set	11 - 32 Teeth 8-speed

GT Traffic 3.0 GTW Fork System Data

Derailleur (Front)	Shimano FM-191
Derailleur (Rear)	Shimano Acera
Fork material	Not Available
Fork type	GT Traffic Rigid

Other Specs of GT Traffic 3.0 GTW

Component group sets	Co (millimeters)uter Mix
Pedals details	High Impact Nylon Comfort
Rear shock absorber	Not Available
Saddle seat	GT Traffic Saddle With Integrated Tailight
Seat post extension	GT Design Alloy