Kona BLAST 1999 VS Rocky Mountain VERTEX 30 2005 specs comparison

Kona Blast

General Infos

Model	Blast
Manufacturer	Kona
Year of production	1999
Current price	Check price Here ==>
Color choice	-Scuba Yellow and Red
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches)
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Kona Gravy Front: 26 X 2.10 (inches) Kona Lumpy
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid AD-1.0 L Levers Avid 1D-10 Brakes
Hubs for disc brakes	Rear: Shimano Alivio Front: Kona OB-1
Rims manufacturer	Mavic X138
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Front 2.0 (millimeters) Rear Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Alico YC-A227 B
Handlebar extender	Optional
Handlebar stem details	Kona Control
Headset size	1 1/8 (inches) Threadless Tioga TG

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-LP27
Crankset parts and sizes	24/32/42 Teeth Cyclone
Gear shift levers	Shimano Alivio RapidFire Plus
Rear gear set	11 - 30 Teeth 8-speed

Kona Blast Fork System Data

Derailleur (Front)	Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX-RC
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	2.5 (inches) Travel RST Ga (millimeters)a EL

Other Specs of Kona Blast

Component group sets	Mountain Mix
Pedals details	Fasten NWL-90K
Rear shock absorber	Not Available
Saddle seat	SDG Comp
Seat post extension	30.0 (millimeters) Diameter Kona Thumb

Rocky Mountain Vertex 30

General Infos

Model	Vertex 30
Manufacturer	Rocky Mountain
Year of production	2005
Current price	Check price Here ==>
Color choice	- Patriot Blue -Team Red
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) IRC Serac XC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes SOLE HD Front and Hayes Sole XC Rear Levers Hayes Sole XC Front and Hayes SOLE HD Rear Brakes
Hubs for disc brakes	Rear: Shimano FH-M475 Disc Front: Shimano HB-M475 Disc
Rims manufacturer	32-hole Rear: Alex DP-17 Front: Alex DP17
Spoke nipples type	Not Available
Spoke wheel	DT Swiss Champion Stainless Steel

Frame and Body Specs

Frame materials	Easton 7005 Elite Taperwall
Frame type	TIG-welded
Handlebar construction	Easton
Handlebar extender	Optional
Handlebar stem details	Easton
Headset size	1 1/8 (inches) Threadless FSA

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	Not Available
Bottom bracket type	FSA
Crankset parts and sizes	RaceFace Ride XC
Gear shift levers	Shimano Deore
Rear gear set	9-speed

Rocky Mountain Vertex 30 Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore XT
Fork material	Single Crown Aluminum
Fork type	105 (millimeters) Travel Marzocchi EXR Pro

Other Specs of Rocky Mountain Vertex 30

Component group sets	Mountain Mix
Pedals details	Shimano PD-M520 SPD
Rear shock absorber	Not Available
Saddle seat	Velo
Seat post extension	Easton