Aero-Fast 2505 ST. MORITZ 1997 VS Nishiki OPTIMA SC 1999 specs comparison

Aero-Fast 2505 St. Moritz

General Infos

Model	2505 St. Moritz
Manufacturer	Aero-Fast
Year of production	1997
Current price	🛒 View Price →
Color choice	- light blue - metallic blue - metallic green - metallic pink -Dark blue
Sizes	- 20 (inches) - womens 17.5 (inches)
Sizes	- 20 (inches) - womens 17.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.125 (inches) Kenda
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Sturmey Archer Drum
Hubs for disc brakes	Sturmey Archer
Rims manufacturer	36-hole Rigida Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Marwi Stainless Steel

Frame and Body Specs

Frame materials	4130 Chromoly Main Triangle and hi-tensile Steel Rear Stays
Frame type	Pulse-spray Silicone Bronze Welded
Handlebar construction	Wald
Handlebar extender	Not Available
Handlebar stem details	Wald
Headset size	1 (inches) Wald

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) Allied-Locke
Bottom bracket shell width	68 (millimeters) Threadless
Bottom bracket type	Wald
Crankset parts and sizes	44 Teeth 1-piece 6 1/2 (inches)
Gear shift levers	Sturmey Archer 3-speed
Rear gear set	19 Teeth 3-speed Internal

Aero-Fast 2505 St. Moritz Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Emory Tubular

Other Specs of Aero-Fast 2505 St. Moritz

Component group sets	Sturmey Archer
Pedals details	Union
Rear shock absorber	Not Available
Saddle seat	Selle Royal
Seat post extension	Emory

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