Specialized SIRRUS PRO 2008 VS Norco ALTA 2003 specs comparison

Specialized Sirrus Pro

General Infos

Model	Sirrus Pro
Manufacturer	Specialized
Year of production	2008
Current price	🛒 View Price →
Color choice	-Blue
Sizes	- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)
Sizes	- 49cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 28c Specialized All Condition Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Avid FR-5 Levers Linear Pull Brakes Forged Alloy
Hubs for disc brakes	Specialized Forged Alloy
Rims manufacturer	24-hole and 28-hole Alex AS1
Spoke nipples type	Not Available
Spoke wheel	14ga. Stainless Steel

Frame and Body Specs

Frame materials	Zertz Inserts Specialized FACT 9m Carbon
Frame type	Bonded and monocoque
Handlebar construction	31.8 (millimeters) Flat Bar Body Geometry Event Zertz
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Clamp Specialized Comp-Set
Headset size	Integrated Threadless 1 1/8 (inches) Threadless Specialized Mindset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano 105
Bottom bracket shell width	Not Available
Bottom bracket type	FSA MegaEXO
Crankset parts and sizes	30/39/50 Teeth FSA Gossamer MegaExo
Gear shift levers	Shimano R-440
Rear gear set	11 - 28 Teeth 9-speed

Specialized Sirrus Pro Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on Shimano Tiagra
Derailleur (Rear)	Shimano 105
Fork material	Aero Crown Carbon and carbon Steerer
Fork type	With Speed Zertz Specialized FACT

Other Specs of Specialized Sirrus Pro

Component group sets	Road Mix
Pedals details	Crank Brothers Smarty
Rear shock absorber	Not Available
Saddle seat	Body Geometry Avatar
Seat post extension	27.2 (millimeters) Diameter FACT Carbon With Zertz Insert Aluminum Head Specialized Pavé II

Norco Alta

General Infos

Model	Alta
Manufacturer	Norco
Year of production	2003
Current price	🛒 View Price →
Color choice	-Blue
Sizes	- 16 (inches) - 18 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	Kevlar 700 X 28c Panaracer Pasela
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Sora STI Dual Control Levers Tektro Oryx Brakes
Hubs for disc brakes	Shimano 3300
Rims manufacturer	36-hole Alex DM-18
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded
Handlebar construction	Anatomic Drop Bar
Handlebar extender	Optional
Handlebar stem details	Quill
Headset size	1 (inches) Chin Haur CH-903B

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-UN40
Crankset parts and sizes	30/42/52 Teeth Shimano Sora Triple
Gear shift levers	Shimano Sora STI Dual Control
Rear gear set	12 - 23 Teeth 8-speed

Norco Alta Fork System Data

Derailleur (Front)	Clamp-on and 28.6 (millimeters) Shimano Sora Triple
Derailleur (Rear)	Shimano Tiagra GS
Fork material	Unicrown Crown Chromoly
Fork type	Not Available

Other Specs of Norco Alta

Component group sets	Road Mix
Pedals details	Victor 992
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Ods Fusion 3
Seat post extension	26.8 (millimeters) Diameter Leechi SP-222