Ross CENTAUR 1998 VS Trek PORTLAND 2007 specs comparison

Ross Centaur

General Infos

Model	Centaur
Manufacturer	Ross
Year of production	1998
Current price	🛒 View Price →
Color choice	-Transparent Green
Sizes	- 16 (inches) - 18 (inches)
Sizes	- 16 (inches) - 18 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches)
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Front Levers Shimano Altus Front and Sturmey Archer Coaster Rear Brakes
Hubs for disc brakes	Rear: Shimano Nexus Inter 7 Front: Shimano Altus
Rims manufacturer	36-hole Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Optional
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) YST Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Not Available
Crankset parts and sizes	36 Teeth Aluminum
Gear shift levers	Shimano Nexus
Rear gear set	21 Teeth 7-speed Internal

Ross Centaur Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	Ross

Other Specs of Ross Centaur

Component group sets	Hybrid Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Not Available
Seat post extension	22.2 (millimeters) Diameter Aluminum

Trek Portland

General Infos

Model	Portland
Manufacturer	Trek
Year of production	2007
Current price	🛒 View Price →
Color choice	-Burnt Orange
Sizes	- 50cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 28c Bontrager Race Lite Hardcase
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano 105 STI Levers Avid BB-7 Disc Front and Avid BB-7 Disc Rear Brakes
Hubs for disc brakes	Bontrager Select Road Disc
Rims manufacturer	24-hole Bontrager Select Road Disc
Spoke nipples type	Not Available
Spoke wheel	Bontrager

Frame and Body Specs

Frame materials	Alpha SLR Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Select
Handlebar extender	Not Available
Handlebar stem details	Bontrager Race
Headset size	Aheadset Slimstak

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	30/39/50 Teeth Shimano 105
Gear shift levers	Shimano 105 STI
Rear gear set	12 - 27 Teeth 10-speed

Trek Portland Fork System Data

Derailleur (Front)	Shimano Ultegra
Derailleur (Rear)	Shimano 105
Fork material	Unicrown Crown Carbon
Fork type	Bontrager Satellite Elite Disc

Other Specs of Trek Portland

Component group sets	Shimano 105
Pedals details	Shimano PD-M520
Rear shock absorber	Not Available
Saddle seat	Bontrager Select City
Seat post extension	Bontrager Select