Specialized SIRRUS SPORT DISC 2015 VS Nishiki OPTIMA SC 1999 specs comparison

Specialized SIRRUS SPORT DISC

General Infos

Model	SIRRUS SPORT DISC
Manufacturer	Specialized
Year of production	2015
Current price	🛒 View Price →
Color choice	- Satin Graphite and Black and Sterling -Satin Neon Pink and Hyper and Black
Sizes	- XS - S - M - L XL
Sizes	- XS - S - M - L XL

Wheels And Breaking System

Bike front tire	26TPI 700x32c Flak Jacket Protection Wire Bead Specialized Nimbus
Bike rear tire	Not Available
Bike wheel size	700c
Brakeset type	Hydraulic Disc Resin and metallic Pads Tooled Reach Adjust Tektro Auriga
Hubs for disc brakes	32h 32hSpecialized Hi Lo Disc QR QR Alloy Alloy Double-sealed Double-sealed Ground Race Loose Ball Bearings Specialized Hi Lo Disc
Rims manufacturer	32h Alloy Double-wall Pin Joint 700c Disc
Spoke nipples type	Not Available
Spoke wheel	14g With Brass Nipple Stainless

Frame and Body Specs

Frame materials	Aluminum
Frame type	Fender and rack Eyelets Fully Manipulated Butted Tubing Integrated Lower Bearing Specialized A1 Premium Aluminum
Handlebar construction	10-degree Backsweep 31.8 (millimeters) 4-degree Upsweep 6061 Double Butted Alloy Specialized Flat
Handlebar extender	Not Available
Handlebar stem details	4-bolt 6-degree Rise Anti-corrosion Hardware Specialized 3D Forged Alloy
Headset size	External Sealed Upper Bearings 1-1/8 (inches) FSA Integrated Cartridge Lower

Gearing Specifications

Bicycle chain	9-speed Reusable Missing Link KMC X9
Bottom bracket shell width	Not Available
Bottom bracket type	Cartridge Bearings Square Taper
Crankset parts and sizes	9-speed Square Spindle With Chainguard Forged Alloy
Gear shift levers	2x9 With Optical Display Shimano Acera Rapidfire Plus
Rear gear set	11-32 9-speed Shimano

Specialized SIRRUS SPORT DISC Fork System Data

Derailleur (Front)	Dual-pull Top Swing Shimano Acera
Derailleur (Rear)	9-speed Shimano Acera
Fork material	Aluminum
Fork type	Cr-Mo Steerer Fender and rack Eyelets A1 Premium Aluminum

Other Specs of Specialized SIRRUS SPORT DISC

Component group sets	Co (millimeters)uter Mix
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) Steel Rails Body Geometry Targa Sport
Seat post extension	12.5 (millimeters) Offset 2-bolt 27.2 (millimeters) Anti-corrosion Hardware Micro-adjust Alloy

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