Rocky Mountain VERTEX 30 2011 VS Kona CALDERA 1997 specs comparison

Rocky Mountain Vertex 30

General Infos

Model	Vertex 30
Manufacturer	Rocky Mountain
Year of production	2011
Current price	Check price Here ==>
Color choice	-Red and black
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)
Sizes	- 15 (inches) - 16.5 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.1'' Maxxis Crossmark
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy 3 Levers Avid Juicy 3 Hydraulic With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Shimano M475 Disc
Rims manufacturer	DT Swiss 445D
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Champion

Frame and Body Specs

Frame materials	FORM 7005 Aluminum
Frame type	Aluminum
Handlebar construction	Easton Lo Rise
Handlebar extender	Optional
Handlebar stem details	Easton 6 Degrees
Headset size	FSa ZS-4D

Gearing Specifications

Bicycle chain	SRAM PC-951
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano SMBB71 Press Fit
Crankset parts and sizes	44/32/22t Teeth Shimano FC-M590
Gear shift levers	SRAM X.5 Trigger
Rear gear set	11 - 32 Teeth 9-speed

Rocky Mountain Vertex 30 Fork System Data

Derailleur (Front)	Direct Mount Shimano SLX
Derailleur (Rear)	SRAM X.9
Fork material	Not Available
Fork type	100 (millimeters) Travel RockShox Recon Silver R

Other Specs of Rocky Mountain Vertex 30

Component group sets	Mountain Mix
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	WTB Rocket V Comp
Seat post extension	30.9 (millimeters) Diameter Easton

Kona Caldera

General Infos

Model	Caldera
Manufacturer	Kona
Year of production	1997
Current price	Check price Here ==>
Color choice	- molotov red -Dark blue
Sizes	- 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.00 (inches) Kona Sniff Front: 26 X 2.00 (inches) Kona Scratch
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-1.9 Levers Avid SD-2.0 Brakes
Hubs for disc brakes	Shimano Deore LX
Rims manufacturer	32-hole Mavic 221
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded
Handlebar construction	Curve 2014
Handlebar extender	Optional
Handlebar stem details	Tahoma Sonne IV
Headset size	1 1/8 (inches) Threadless Dia-Compe Aheadset STC

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG70
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Kona Caldera Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Deore LX Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Magnesium
Fork type	Marzocchi Bomber Z-2

Other Specs of Kona Caldera

Component group sets	Shimano Deore XT and LX
Pedals details	Shimano PD-M535 SPD Clipless
Rear shock absorber	Not Available
Saddle seat	Selle Italia Expedia
Seat post extension	27.0 (millimeters) Diameter Joe Murray O-Beam