Ross DIAMOND TRIMATIC W/FENDERS 1997 VS Trek PORTLAND 2007 specs comparison

Ross Diamond Trimatic w/fenders

General Infos

Model	Diamond Trimatic w/fenders
Manufacturer	Ross
Year of production	1997
Current price	🛒 View Price →
Color choice	-Teal
Sizes	- 19 (inches) - 21 (inches) - womens 16 (inches) - womens 19 (inches)
Sizes	- 19 (inches) - 21 (inches) - womens 16 (inches) - womens 19 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.50 (inches) Cheng Shin
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tourist Aluminum Levers Coaster Brake and side-pull Front Brakes
Hubs for disc brakes	Rear: Shimano 3-speed Coaster Brake Nutted Front: Steel
Rims manufacturer	36-hole Rigida AS-26
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Richman Stainless Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Cruiser Bend
Handlebar extender	Not Available
Handlebar stem details	Steel
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	44 Teeth Dotek Aluminum
Gear shift levers	Shimano 3-speed
Rear gear set	18 Teeth 3-speed Internal

Ross Diamond Trimatic w/fenders Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Ross

Other Specs of Ross Diamond Trimatic w/fenders

Component group sets	Not Available
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Selle Master Comfort With Springs
Seat post extension	25.4 (millimeters) Diameter Steel Pillar

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