Nishiki OPTIMA SC 1999 VS Koga Miyata SILVERACE 2004 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

Koga Miyata SilverAce

General Infos

Model	SilverAce
Manufacturer	Koga Miyata
Year of production	2004
Current price	🛒 View Price →
Color choice	-Dark Green Metallic and Everglade Green
Sizes	- 54cm (centimeters) - 57cm (centimeters) - 60cm (centimeters) - 63cm (centimeters) - 66cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 42c Continental CityContact
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Nexus Levers Shimano Nexave Brakes
Hubs for disc brakes	Rear: Shimano Nexus Front: Shimano Nexus Generator
Rims manufacturer	36-hole Rigida ZAC21
Spoke nipples type	Brass Nipples
Spoke wheel	Sapim Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	ITM Touring Alloy
Handlebar extender	Optional
Handlebar stem details	Zoom Satori
Headset size	1 1/8 (inches) Integrated Cane Creek ZS-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z510
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	115 (millimeters) Spindle Shimano BB-UN53
Crankset parts and sizes	33 Teeth Shimano Nexus
Gear shift levers	Shimano Nexus
Rear gear set	16 Teeth 8-speed Internal

Koga Miyata SilverAce Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	Koga Miyata

Other Specs of Koga Miyata SilverAce

Component group sets	Co (millimeters)uter Mix
Pedals details	Koga VP-191
Rear shock absorber	Not Available
Saddle seat	Selle Royal Brooks B-67
Seat post extension	31.4 (millimeters) Diameter Selcof No. 58