Jamis AURORA 2011 VS Nishiki OPTIMA SC 1999 specs comparison

Jamis Aurora

General Infos

Model	Aurora
Manufacturer	Jamis
Year of production	2011
Current price	🛒 View Price →
Color choice	-Sangria
Sizes	- 47 (centimeters) - 50 (centimeters) - 53 (centimeters) - 55 (centimeters) - 57 (centimeters) - 59 (centimeters) - 62cm (centimeters)
Sizes	- 47 (centimeters) - 50 (centimeters) - 53 (centimeters) - 55 (centimeters) - 57 (centimeters) - 59 (centimeters) - 62cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 32c Vittoria Randonneur
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Tiagra STI Levers Tektro 992 Forged Alloy Brakes
Hubs for disc brakes	Shimano Tiagra
Rims manufacturer	36-hole Alex ACE-19
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless Steel Stainless

Frame and Body Specs

Frame materials	Reynolds 520 Double Butted Chromoly
Frame type	Steel
Handlebar construction	Ritchey Biomax 2
Handlebar extender	Optional
Handlebar stem details	NVO Components
Headset size	1 1/8 (inches) Ritchey LB Aheadset

Gearing Specifications

Bicycle chain	KMC Z99
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118.5 (millimeters) Spindle FSA Powerdrive
Crankset parts and sizes	50/39/30t Teeth FSA Vero Forged
Gear shift levers	Shimano Tiagra Dual Control STI
Rear gear set	11 - 28 Teeth 9-speed

Jamis Aurora Fork System Data

Derailleur (Front)	Clamp On Shimano Tiagra FD-4503
Derailleur (Rear)	Shimano 105 RD-5700GS
Fork material	Steel
Fork type	Lugged Semi-sloping Chromoly

Other Specs of Jamis Aurora

Component group sets	Co (millimeters)uter Mix
Pedals details	Touring Platform With Toe Clips
Rear shock absorber	Not Available
Saddle seat	Jamis Touring Sport
Seat post extension	27.2 (millimeters) Diameter Ritchey Road

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