Rocky Mountain WHISTLER 50 D 2010 VS K2 ASTRAL 4.0 2005 specs comparison

Rocky Mountain Whistler 50 D

General Infos

Model	Whistler 50 D
Manufacturer	Rocky Mountain
Year of production	2010
Current price	Check price Here ==>
Color choice	-Blue
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches)
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	700 X 32c Kenda Kwick Trax
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano M486 Hydraulic Levers Shimano M486 Disc Brakes
Hubs for disc brakes	Rear: Wheeltech Disc Super Sealed With 10 (millimeters) Solid Axle Front: Wheeltech Disc Super Sealed With Alloy QR
Rims manufacturer	Alex TD-24
Spoke nipples type	Not Available
Spoke wheel	Stainless

Frame and Body Specs

Frame materials	Hydro-Formed Custom RMB Triple Butted 6066 Alloy
Frame type	TIG-welded
Handlebar construction	RMB 600 (millimeters) X 30 (millimeters)
Handlebar extender	Optional
Handlebar stem details	RMB Adjustable
Headset size	FSA

Gearing Specifications

Bicycle chain	Shimano HG-53
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Power Spline
Crankset parts and sizes	26/36/48 Teeth TruVativ ISO-Flow
Gear shift levers	Shimano Deore RapidFire
Rear gear set	11 - 32 Teeth 9-speed

Rocky Mountain Whistler 50 D Fork System Data

Derailleur (Front)	Clamp On 31.8 (millimeters) Shimano Deore
Derailleur (Rear)	Shimano XT
Fork material	Single
Fork type	63 (millimeters) Travel Suntour SF9-NEX-4610 MLO

Other Specs of Rocky Mountain Whistler 50 D

Component group sets	Hybrid Mix
Pedals details	VP 990S Steel Cage
Rear shock absorber	Not Available
Saddle seat	Freedom GreenBelt Men's
Seat post extension	27.2 (millimeters) Diameter RMB Suspension

K2 Astral 4.0

General Infos

Model	Astral 4.0
Manufacturer	K2
Year of production	2005
Current price	Check price Here ==>
Color choice	-Blue and Silver
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	700 X 28c Vittoria Randonneur
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Tektro Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Q and R Aluminum
Rims manufacturer	32-hole Alex DA-16
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	7000 aluminum c
Frame type	TIG-welded
Handlebar construction	Aluminum Flat Bar
Handlebar extender	Optional
Handlebar stem details	Adjustable Aluminum
Headset size	1 1/8 (inches) Integrated TH Intelliset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC HG-53
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth TruVativ Five-D
Gear shift levers	Shimano ST-R443
Rear gear set	11 - 28 Teeth 8-speed

K2 Astral 4.0 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on Shimano FD-R443
Derailleur (Rear)	Shimano Tiagra GS
Fork material	Unicrown Crown Aluminum
Fork type	K2

Other Specs of K2 Astral 4.0

Component group sets	Hybrid Mix
Pedals details	Aluminum Cage With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	K2 ComfortTech
Seat post extension	Aluminum Micro-adjust