Jamis AURORA 1998 VS Ross GRAN TOUR 1997 specs comparison

Jamis Aurora

General Infos

Model	Aurora
Manufacturer	Jamis
Year of production	1998
Current price	Check price Here ==>
Color choice	-Electric Blue
Sizes	- 50 cm (centimeters) - 53 cm (centimeters) - 55 cm (centimeters) - 57 cm (centimeters) - 59 cm (centimeters) - 62 cm (centimeters)
Sizes	- 50 cm (centimeters) - 53 cm (centimeters) - 55 cm (centimeters) - 57 cm (centimeters) - 59 cm (centimeters) - 62 cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 25c Ritchey Tom Slick
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano RSX Levers Shimano RSX Dual Pivot Brakes
Hubs for disc brakes	Shimano RSX
Rims manufacturer	36-hole Sun Rims CR18
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Reynolds 525
Frame type	TIG-welded
Handlebar construction	Kalloy
Handlebar extender	Not Available
Handlebar stem details	Kalloy Chromoly
Headset size	1 (inches) Victor VP-H242NW

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	26/36/46 Teeth Shimano RSX
Gear shift levers	Shimano RSX STI Dual Control
Rear gear set	11 - 24 Teeth 7-speed

Jamis Aurora Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano RSX Top-swing
Derailleur (Rear)	Shimano RSX GS
Fork material	Unicrown Crown Chromoly
Fork type	Jamis

Other Specs of Jamis Aurora

Component group sets	Shimano RSX
Pedals details	Wellgo With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Jamis Comp
Seat post extension	26.8 (millimeters) Diameter Kalloy Aluminum Micro-adjust

Ross Gran Tour

General Infos

Model	Gran Tour
Manufacturer	Ross
Year of production	1997
Current price	Check price Here ==>
Color choice	- purple -Black
Sizes	- 19 (inches) - 21 (inches) - 23 (inches) - 25 (inches) - womens 17 (inches) - womens 19 (inches) - womens 20 (inches)

Wheels And Breaking System

Bike front tire	700 X 23c Ross HP
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Road Style With Extension Levers Aluminum Side-pull Calipers Brakes
Hubs for disc brakes	Q and R Steel
Rims manufacturer	36-hole Weinmann Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Richman Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Seat Tube and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Aluminum Drop Style
Handlebar extender	Not Available
Handlebar stem details	SR
Headset size	1 (inches) YST 665

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	122 (millimeters) Spindle YST BB 621
Crankset parts and sizes	42/52 Teeth Aluminum
Gear shift levers	Shimano Tourney Stem Mount
Rear gear set	13 - 28 Teeth 6-speed

Ross Gran Tour Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Tourney TY-20
Derailleur (Rear)	Shimano Tourney TY-20
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Ross

Other Specs of Ross Gran Tour

Component group sets	Shimano Tourney TY-20
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Anatomic
Seat post extension	25.4 (millimeters) Diameter Steel Pillar