Opus SONAR 2008 VS Kona CALDERA 2009 specs comparison

Opus Sonar

General Infos

Model	Sonar
Manufacturer	Opus
Year of production	2008
Current price	Check price Here ==>
Color choice	-Satin Black
Sizes	- Xsmall - small - medium - large - xlarge
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) CST
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Promax Levers ProMax Alloy V-Brake Brakes
Hubs for disc brakes	Rear: Formula Nutted Front: Formula
Rims manufacturer	Alex DM-18
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	6000 aluminum c
Frame type	TIG-welded
Handlebar construction	Ora AL-027
Handlebar extender	Optional
Handlebar stem details	Ora 2D
Headset size	1 1/8 (inches) VP

Gearing Specifications

Bicycle chain	KMC
Bottom bracket shell width	Not Available
Bottom bracket type	CH-52 Cartridge
Crankset parts and sizes	Suntour XCR-170
Gear shift levers	Shimano ST-EF60
Rear gear set	11 - 30 Teeth 7-speed

Opus Sonar Fork System Data

Derailleur (Front)	Shimano C050
Derailleur (Rear)	Shimano Tourney TX-51
Fork material	Single
Fork type	75 (millimeters) Travel RST 191 T7

Other Specs of Opus Sonar

Component group sets	Mountain Mix
Pedals details	Wellgo Alloy Body and cage
Rear shock absorber	Not Available
Saddle seat	Black Ora
Seat post extension	27.2 (millimeters) Diameter Ora SP242

Kona Caldera

General Infos

Model	Caldera
Manufacturer	Kona
Year of production	2009
Current price	Check price Here ==>
Color choice	-Green Metallic
Sizes	- 14 (inches) - 16 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Maxxis Ignitor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano M575 Hydraulic Levers Shimano M575 Disc Brakes
Hubs for disc brakes	Rear: Shimano M475 Disc Front: Formula Disc
Rims manufacturer	Sun Black Eye
Spoke nipples type	Not Available
Spoke wheel	15/14ga. Sandvic Stainless

Frame and Body Specs

Frame materials	Kona 7005 Aluminum Butted
Frame type	TIG-welded
Handlebar construction	Kona XC and BC
Handlebar extender	Optional
Handlebar stem details	Kona XC and BC
Headset size	1 1/8 (inches) TH

Gearing Specifications

Bicycle chain	Shimano Deore
Bottom bracket shell width	73 (millimeters)
Bottom bracket type	FSA Mega EXO
Crankset parts and sizes	22/32/44 Teeth FSA Moto MegaExo
Gear shift levers	Shimano Deore RapidFire
Rear gear set	11 - 32 Teeth 9-speed

Kona Caldera Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano XT Shadow
Fork material	Single
Fork type	100 (millimeters) Travel RockShox Tora XC

Other Specs of Kona Caldera

Component group sets	Shimano Deore
Pedals details	Shimano PD-M505
Rear shock absorber	Not Available
Saddle seat	WTB Speed V Comp
Seat post extension	Kona XC and BC