Nishiki OPTIMA SC 1999 VS GT SLIPSTREAM 1998 specs comparison

Nishiki Optima SC

General Infos

Model	Optima SC
Manufacturer	Nishiki
Year of production	1999
Current price	🛒 View Price →
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 Slipstream

General Infos

Model	Slipstream
Manufacturer	GT
Year of production	1998
Current price	🛒 View Price →
Color choice	- Glacier Blue -Dark Pine Metallic
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - womens 16 (inches) - womens 18 (inches)

Wheels And Breaking System

Bike front tire	700 X 40c Multi-terrain
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Aluminum Levers Shimano Altus Brakes
Hubs for disc brakes	Rear: Shimano Altus Front: Shimano Aluminum
Rims manufacturer	36-hole Araya PX-645
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Main Triangle and hi-tensile Steel Rear Stays
Frame type	TIG-welded
Handlebar construction	Rise Aluminum
Handlebar extender	Optional
Handlebar stem details	Aluminum
Headset size	1 (inches) Sealed

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-UG30
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Cartridge
Crankset parts and sizes	24/34/42 Teeth Shimano Altus
Gear shift levers	Grip Shift MRX-170
Rear gear set	11 - 28 Teeth 7-speed

GT Slipstream Fork System Data

Derailleur (Front)	Bottom-pull Shimano Altus Top-swing
Derailleur (Rear)	Shimano AceraX
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	GT

Other Specs of GT Slipstream

Component group sets	Hybrid Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	GT Dual Density
Seat post extension	Aluminum Micro-adjust