Nishiki OPTIMA SC 1999 VS Specialized SIRRUS PRO 2007 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

Specialized Sirrus Pro

General Infos

Model	Sirrus Pro
Manufacturer	Specialized
Year of production	2007
Current price	🛒 View Price →
Color choice	-Silver
Sizes	- Xlarge - xsmall - small - medium - large

Wheels And Breaking System

Bike front tire	700 X 28c Specialized All Condition Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Avid FR5 Levers Avid Juicy 7 Front and Avid Single-Digit 7 Rear Brakes
Hubs for disc brakes	Specialized Alloy
Rims manufacturer	24-hole and 28-hole Jalco GX460
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Body Geometry Event Zertz
Handlebar extender	Optional
Handlebar stem details	Specialized Comp-Set
Headset size	1 1/8 (inches) Integrated Specialized Mindset

Gearing Specifications

Bicycle chain	Shimano 105
Bottom bracket shell width	Not Available
Bottom bracket type	FSA MegaEXO
Crankset parts and sizes	30/39/50 Teeth FSA Gossamer
Gear shift levers	Shimano R770
Rear gear set	12 - 27 Teeth 1-speed

Specialized Sirrus Pro Fork System Data

Derailleur (Front)	Shimano Ultegra
Derailleur (Rear)	Shimano 105
Fork material	Aero Crown Carbon and aluminum Steerer
Fork type	Specialized FACT

Other Specs of Specialized Sirrus Pro

Component group sets	Co (millimeters)uter Mix
Pedals details	Crank Brothers Smarty
Rear shock absorber	Not Available
Saddle seat	Body Geometry Avatar
Seat post extension	27.2 (millimeters) Diameter Specialized Pavé II