Ross CENTAUR W/FENDERS 1997 VS Trek PORTLAND 2007 specs comparison

Ross Centaur w/fenders

General Infos

Model	Centaur w/fenders
Manufacturer	Ross
Year of production	1997
Current price	🛒 View Price →
Color choice	-Green
Sizes	- 16 (inches) - 18 (inches)
Sizes	- 16 (inches) - 18 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.75 (inches) Ross
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Levers Shimano Nexus Roller Brake and Shimano Altus Front Brakes
Hubs for disc brakes	Rear: Shimano Nexus Roller Brake Front: Shimano Altus
Rims manufacturer	36-hole Alex 7X
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Richman Stainless Steel

Frame and Body Specs

Frame materials	Aluminum
Frame type	TIG-welded
Handlebar construction	Steel
Handlebar extender	Not Available
Handlebar stem details	Sameness Chromoly
Headset size	1 (inches) YST 665

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC 410
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	122.5 (millimeters) Spindle YST BB 621
Crankset parts and sizes	36 Teeth Dotek Aluminum
Gear shift levers	Shimano Inter-7 ST-7S20
Rear gear set	21 Teeth 7-speed Internal

Ross Centaur w/fenders Fork System Data

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

Other Specs of Ross Centaur w/fenders

Component group sets	Shimano Nexus
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Viscount 6000 With Springs
Seat post extension	25.4 (millimeters) Diameter Aluminum Micro-adjust

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