Jamis AURORA 2001 VS Ross GRAN TOUR 1997 specs comparison

Jamis Aurora

General Infos

Model	Aurora
Manufacturer	Jamis
Year of production	2001
Current price	🛒 View Price →
Color choice	-Blue
Sizes	- 47 - 50 - 53 - 55 - 57 - 59 - 62
Sizes	- 47 - 50 - 53 - 55 - 57 - 59 - 62

Wheels And Breaking System

Bike front tire	700 X 30c Ritchey Tom Slick
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Sora STI Dual Control Levers Tektro Cantilever Brakes
Hubs for disc brakes	Rear: Ritchey Comp Zero Front: Ritchey Comp
Rims manufacturer	36-hole Rear: Ritchy Rock Comp OCR Front: Ritchey Rock
Spoke nipples type	Aluminum Nipples
Spoke wheel	1.8 (millimeters) Double-butted Sha-Dar Stainless Steel

Frame and Body Specs

Frame materials	Reynolds 520
Frame type	Brazed and welded
Handlebar construction	Modolo Anatomic
Handlebar extender	Not Available
Handlebar stem details	Chromoly
Headset size	1 (inches) Aluminum

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC HG-50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-LP27
Crankset parts and sizes	30/42/52 Teeth Shimano Sora
Gear shift levers	Shimano Sora STI Dual Control
Rear gear set	12 - 25 Teeth 8-speed

Jamis Aurora Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Sora
Derailleur (Rear)	Shimano Sora GS
Fork material	Unicrown Crown Chromoly
Fork type	Spinner

Other Specs of Jamis Aurora

Component group sets	Road Mix
Pedals details	Wellgo LU-209
Rear shock absorber	Not Available
Saddle seat	Viscount
Seat post extension	27.2 (millimeters) Diameter Kalloy SP-354

Ross Gran Tour

General Infos

Model	Gran Tour
Manufacturer	Ross
Year of production	1997
Current price	🛒 View Price →
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