Specialized SIRRUS COMP CARBON DISC 2015 VS Nishiki OPTIMA SC 1999 specs comparison

Specialized SIRRUS COMP CARBON DISC

General Infos

Model	SIRRUS COMP CARBON DISC
Manufacturer	Specialized
Year of production	2015
Current price	🛒 View Price →
Color choice	-Satin Graphite and Gloss Carbon and Hyper
Sizes	- Small - Medium - Large - Extra large
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	60TPI 700x30c Double BlackBelt Protection Wire Bead Specialized Espoir Sport Reflect
Bike rear tire	Not Available
Bike wheel size	700c
Brakeset type	Hydraulic Disc Resin Pads Tektro Gemini
Hubs for disc brakes	AXIS 1.0 Disc
Rims manufacturer	AXIS 1.0 Disc
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Carbon Fiber
Frame type	1-1/8 (inches) Headtube Fitness Geometry Zertz Specialized Sirrus FACT 9r Carbon
Handlebar construction	10-degree Backsweep 31.8 (millimeters) 4-degree Upsweep 6061 Double Butted Alloy Specialized Flat
Handlebar extender	Not Available
Handlebar stem details	12-degree Rise 3D Forged Alloy 4-bolt Specialized Comp Multi
Headset size	Campy Style With 15 (millimeters) Alloy Cone Spacer 1-1/8 (inches)

Gearing Specifications

Bicycle chain	10-speed Reusable Missing Link KMC X10
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	50/34 Forged Alloy FSA Gossamer
Gear shift levers	10-speed Shimano Tiagra
Rear gear set	10-speed 12-30 Shimano Tiagra

Specialized SIRRUS COMP CARBON DISC Fork System Data

Derailleur (Front)	Shimano Tiagra
Derailleur (Rear)	10-speed Long Cage Shimano Tiagra
Fork material	Carbon Fiber
Fork type	Full Monocoque Specialized FACT Carbon With Zertz

Other Specs of Specialized SIRRUS COMP CARBON DISC

Component group sets	Shimano Tiagra
Pedals details	1.5 (millimeters) Varus Angle Low Profile Bearing System Nylon Body Sy (millimeters)etric Alloy Cage Toe Clip Capable Sirrus
Rear shock absorber	Not Available
Saddle seat	155 (millimeters) Hollow Cr-Mo Rails Body Geometry Targa Comp
Seat post extension	27.2 (millimeters) FACT Carbon Specialized Pro Pave

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)

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