K2 ASTRAL 4.0 2005 VS Specialized SIRRUS COMP 2006 specs comparison

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
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

Specialized Sirrus Comp

General Infos

Model	Sirrus Comp
Manufacturer	Specialized
Year of production	2006
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	700 X 28c Specialized New Nimbus With Armadillo
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	85 (millimeters) Linear Pull Forged Alloy Linear Pull With C-clip Bushing Levers Replaceable Cartridge Pad Brakes Forged 6061
Hubs for disc brakes	QR QR Rear: Specialized Forged Alloy Black Black Double Sealed Double Sealed Freehub Front: Specialized Forged
Rims manufacturer	32-hole Alex AT-400
Spoke nipples type	Alloy
Spoke wheel	14ga. Straight Gauge Specialized Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Flat 6 Degree Bend Body Geometry New Event Zertz
Handlebar extender	Optional
Handlebar stem details	26.0 (millimeters) Bar Clamp 3D Forged Alloy 8- Position Adjustable Specialized Pro
Headset size	Alloy Cap Alloy Cone Spacer 1 1/8 (inches) Intellaset Threadless

Gearing Specifications

Bicycle chain	Shimano CN-HG73
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle TH BB-7420
Crankset parts and sizes	52Ax42Sx30S Super Shift III Teeth Polished Arms Sugino Pro
Gear shift levers	Rapidfire Shimano R-440-9
Rear gear set	12 - 26 Teeth 9-speed

Specialized Sirrus Comp Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Deore
Derailleur (Rear)	9-speed Long Cage Shimano 105
Fork material	Aero Crown Carbon and aluminum
Fork type	Specialized FACT Carbon

Other Specs of Specialized Sirrus Comp

Component group sets	Hybrid Mix
Pedals details	SPD Shimano 505R
Rear shock absorber	Not Available
Saddle seat	Body Geometry New Milano Comfort Max
Seat post extension	27.2 (millimeters) Diameter Advanced Carbon Specialized Pavé