De Rosa PROFESSIONAL 1993 VS Jamis COMET 1999 specs comparison

De Rosa Professional

General Infos

Model	Professional
Manufacturer	De Rosa
Year of production	1993
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 47 - 48 - 49 - 50 - 51 - 52 - 53 - 54 - 55 - 56 - 57 - 58 - 59 - 60 - 61 - 6263 - 64
Sizes	- 47 - 48 - 49 - 50 - 51 - 52 - 53 - 54 - 55 - 56 - 57 - 58 - 59 - 60 - 61 - 6263 - 64

Wheels And Breaking System

Bike front tire	Vittoria Mistral
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Levers Campagnolo Athena Brakes
Hubs for disc brakes	Campagnolo Athena Cassette
Rims manufacturer	32-hole Nisi HRB-22
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Columbus SLX
Frame type	Lugged Steel
Handlebar construction	Cinelli
Handlebar extender	Not Available
Handlebar stem details	Cinelli XA
Headset size	Not Available

Gearing Specifications

Bicycle chain	Campagnolo Contax
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	39/53 Teeth Campagnolo Athena
Gear shift levers	Campagnolo Athena Downtube
Rear gear set	12 - 21 Teeth 8-speed

De Rosa Professional Fork System Data

Derailleur (Front)	Campagnolo Athena
Derailleur (Rear)	Campagnolo Athena
Fork material	Not Available
Fork type	De Rosa and Columbus SLX Flat Crown

Other Specs of De Rosa Professional

Component group sets	Campagnolo Athena
Pedals details	Diadora SA 210 Clipless
Rear shock absorber	Not Available
Saddle seat	Sella San Marco Pro
Seat post extension	Campagnolo Athena

Jamis Comet

General Infos

Model	Comet
Manufacturer	Jamis
Year of production	1999
Current price	Check price Here ==>
Color choice	-Saffron Yellow
Sizes	- 47cm (centimeters) - 49cm (centimeters) - 51cm (centimeters) - 53cm (centimeters) - 55cm (centimeters) - 57cm (centimeters) - 59cm (centimeters) - 61cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Hutchinson Krono
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra STI Levers Shimano Ultegra Dual Pivot Brakes
Hubs for disc brakes	Shimano Ultegra
Rims manufacturer	32-hole Mavic CXP 33
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double-butted Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	7005 Aluminum With Replaceable Derailleur Hanger
Frame type	TIG-welded
Handlebar construction	TTT Forma
Handlebar extender	Not Available
Handlebar stem details	TTT
Headset size	1 (inches) Threadless Cane Creek C2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG92
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	109.5 (millimeters) Spindle Shimano BB-6500
Crankset parts and sizes	42/52 Teeth Shimano Ultegra
Gear shift levers	Shimano Ultegra STI Dual Control
Rear gear set	11 - 23 Teeth 9-speed

Jamis Comet Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra SS
Fork material	Aero Crown Aluminum
Fork type	Kinesis Air Foil

Other Specs of Jamis Comet

Component group sets	Shimano Ultegra
Pedals details	Time Challenge Pro
Rear shock absorber	Not Available
Saddle seat	Titanium Rails SDG Comp Belair
Seat post extension	27.2 (millimeters) Diameter Thomson Setback