Nishiki OPTIMA SC 1999 VS Rocky Mountain RC 70 2013 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

Rocky Mountain RC 70

General Infos

Model	RC 70
Manufacturer	Rocky Mountain
Year of production	2013
Current price	Check price Here ==>
Color choice	-White and Red
Sizes	- 40cm (centimeters) - 45.5cm (centimeters) - 50cm (centimeters) - 55.5cm (centimeters) - 58cm (centimeters)

Wheels And Breaking System

Bike front tire	Continental Ultrasport 700x28
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Tektro RX3 Mini-V
Hubs for disc brakes	Not Available
Rims manufacturer	Unavailable Wheelset
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Aluminum
Frame type	Not Available
Handlebar construction	Rocky Mountain Flat
Handlebar extender	Not Available
Handlebar stem details	Rocky Mountain Adjustable
Headset size	Cane Creek Five ZS

Gearing Specifications

Bicycle chain	Shimano HG53
Bottom bracket shell width	Not Available
Bottom bracket type	FSA MegaExo
Crankset parts and sizes	FSA Omega 50/34t
Gear shift levers	Shimano Tiagra
Rear gear set	2x10 Speeds

Rocky Mountain RC 70 Fork System Data

Derailleur (Front)	Shimano Tiagra
Derailleur (Rear)	Shimano Tiagra
Fork material	Not Available
Fork type	Rocky Mountain Carbon Road

Other Specs of Rocky Mountain RC 70

Component group sets	Not Available
Pedals details	Alloy Platform
Rear shock absorber	Unavailable Rear Shock
Saddle seat	Rocky Mountain Urban
Seat post extension	Rocky Mountain L2B