Boulder Bikes PARIS-ROUBAIX (AC) 1998 VS Norco ALTA 2003 specs comparison

Boulder Bikes Paris-Roubaix (AC)

General Infos

Model	Paris-Roubaix (AC)
Manufacturer	Boulder Bikes
Year of production	1998
Current price	🛒 View Price →
Color choice	- blue - green - red - silver - white - yellow -Black
Sizes	- 54 cm (centimeters) - 56 cm (centimeters) - 58 cm (centimeters) - 60 cm (centimeters) - custom (centimeters)
Sizes	- 54 cm (centimeters) - 56 cm (centimeters) - 58 cm (centimeters) - 60 cm (centimeters) - custom (centimeters)

Wheels And Breaking System

Bike front tire	700 X 25c Continental Grand Prix Kevlar
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano 600 Ultegra Levers Shimano 600 Ultegra Dual Pivot Brakes
Hubs for disc brakes	Shimano 600 Ultegra
Rims manufacturer	32-hole Mavic Open Pro
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double-butted Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Easton EA60 ProGram Tapered Aluminum
Frame type	TIG-welded
Handlebar construction	TTT Forma 2
Handlebar extender	Not Available
Handlebar stem details	TTT Synthesis
Headset size	1 (inches) Shimano 600 Ultegra

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG71
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle Shimano BB-UN72
Crankset parts and sizes	30/42/52 Teeth Shimano 600 Ultegra
Gear shift levers	Shimano 105SC STI Dual Control
Rear gear set	12 - 26 Teeth 9-speed

Boulder Bikes Paris-Roubaix (AC) Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano 600 Ultegra
Derailleur (Rear)	Shimano 600 Ultegra GS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Rock Shox Ruby

Other Specs of Boulder Bikes Paris-Roubaix (AC)

Component group sets	Shimano 600 Ultegra Triple
Pedals details	Optional
Rear shock absorber	1.25 (inches) Travel Risse Genesis
Saddle seat	Titanium Rails Selle San Marco Strada
Seat post extension	27.2 (millimeters) Diameter American Classic

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