Diamondback CRESTVIEW 1997 VS Nishiki OPTIMA 1993 specs comparison

Diamondback Crestview

General Infos

Model	Crestview
Manufacturer	Diamondback
Year of production	1997
Current price	🛒 View Price →
Color choice	- green -Blue fade
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 17 (inches) - womens 19 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 17 (inches) - womens 19 (inches)

Wheels And Breaking System

Bike front tire	700 X 40c Cheng Shin C-979
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro RBP-371A Levers Shimano Altus Brakes
Hubs for disc brakes	Rear: Joy Tech JY-718 Q and R Front: Joy Tech JY-761SE Q and R
Rims manufacturer	36-hole FL-317 Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Steel

Frame and Body Specs

Frame materials	Chromoly Seat Tube and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Hsin Lung MTB 110
Handlebar extender	Optional
Handlebar stem details	Lee Chi
Headset size	1 (inches) YST HP-226N

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	116 (millimeters) Spindle YST BB 968
Crankset parts and sizes	24/34/38 Teeth Tracer MY-1i
Gear shift levers	Grip Shift MRX-170
Rear gear set	11 - 28 Teeth 7-speed

Diamondback Crestview Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Altus Top-swing
Derailleur (Rear)	Shimano Altus
Fork material	Unicrown Crown Chromoly and hi-tensile Steel
Fork type	Lung I

Other Specs of Diamondback Crestview

Component group sets	Shimano Altus
Pedals details	Wellgo LU-923
Rear shock absorber	Not Available
Saddle seat	Avenir Comfort Plus
Seat post extension	25.8 (millimeters) Diameter Aluminum

Nishiki Optima

General Infos

Model	Optima
Manufacturer	Nishiki
Year of production	1993
Current price	🛒 View Price →
Color choice	-Not found
Sizes	- 15.5 - 17.5 - 19.5 - 21.5

Wheels And Breaking System

Bike front tire	700 X 35c Cross
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Levers Shimano 400CX Brakes
Hubs for disc brakes	Shimano 400CX
Rims manufacturer	32-hole Ritchey USA Vantage Cross Sport
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Chrome-moly
Frame type	TIG-welded Steel
Handlebar construction	Alloy Flat 6deg
Handlebar extender	Not Available
Handlebar stem details	TIG Welded Rise With CRO-MO Clamp
Headset size	Not Available

Gearing Specifications

Bicycle chain	Shimano CN-HG50
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	20/32/40 Teeth Shimano 400CX
Gear shift levers	Shimano 400CX Rapidfire Plus
Rear gear set	11 - 19 Teeth 7-speed

Nishiki Optima Fork System Data

Derailleur (Front)	Shimano 700CX
Derailleur (Rear)	Shimano 700CX
Fork material	Not Available
Fork type	Chrome-moly

Other Specs of Nishiki Optima

Component group sets	Shimano 400CX Rapidfire Plus
Pedals details	Steel Cage and alloy Body With Clips And Straps
Rear shock absorber	Not Available
Saddle seat	Vetta (inches)SL (inches) Style With Waterproof Cover
Seat post extension	Kalloy SP 248 Alloy