Nishiki OPTIMA SC 1999 VS Jamis ALLEGRO 4 2010 specs comparison

Nishiki Optima SC

General Infos

Model	Optima SC
Manufacturer	Nishiki
Year of production	1999
Current price	Check price Here ==>
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

Jamis Allegro 4

General Infos

Model	Allegro 4
Manufacturer	Jamis
Year of production	2010
Current price	Check price Here ==>
Color choice	-Gloss Black and Pearl White
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	700 X 28c Vittoria Rondenour
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro RX-1.0 Levers Tektro RX-1.0 Mini V With Modulator Front and Tektro RX-1.0 Mini V Rear Brakes
Hubs for disc brakes	Alex ALX-200
Rims manufacturer	20-hole and 24-hole Alex ALX-200
Spoke nipples type	Not Available
Spoke wheel	14ga. DT Champion

Frame and Body Specs

Frame materials	6061 Triple Butted Aluminum With Hydroform TT & DT
Frame type	TIG-welded
Handlebar construction	Jamis Alloy Flat Bar
Handlebar extender	Optional
Handlebar stem details	NVO F-2 Adjustable
Headset size	1 1/8 (inches) Threadless FSA Integrated IS

Gearing Specifications

Bicycle chain	KMC DX10SC
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	108 (millimeters) Spindle FSA Powerdrive
Crankset parts and sizes	50/34 Teeth FSA Vero Compact With Power Drive
Gear shift levers	Shimano SL-R770 Rapidfire Plus SL
Rear gear set	11 - 25 Teeth 10-speed

Jamis Allegro 4 Fork System Data

Derailleur (Front)	Bottom Pull Shimano R770
Derailleur (Rear)	Shimano 105
Fork material	Unicrown Crown Carbon Composite
Fork type	Jamis

Other Specs of Jamis Allegro 4

Component group sets	Co (millimeters)uter Mix
Pedals details	Alloy Platform
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Ischia
Seat post extension	27.2 (millimeters) Diameter Jamis Carbon Fiber Micro Adjust