Jamis COMET 1998 VS Co-Motion RISTRETTO (DOUBLE) 2007 specs comparison

Jamis Comet

General Infos

Model	Comet
Manufacturer	Jamis
Year of production	1998
Current price	Check price Here ==>
Color choice	-Gloss White
Sizes	- 49 cm (centimeters) - 51 cm (centimeters) - 53 cm (centimeters) - 55 cm (centimeters) - 57 cm (centimeters) - 59 cm (centimeters) - 61 cm (centimeters)
Sizes	- 49 cm (centimeters) - 51 cm (centimeters) - 53 cm (centimeters) - 55 cm (centimeters) - 57 cm (centimeters) - 59 cm (centimeters) - 61 cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Continental Grand Prix Kevlar
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano 600 Ultegra Levers Shimano 600 Ultegra Dual Pivot Brakes
Hubs for disc brakes	Shimano 600 Ultegra
Rims manufacturer	28-hole and 32-hole Mavic CXP 30
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double-butted Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Aero 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	TTT Forma
Handlebar extender	Not Available
Handlebar stem details	Syncros Altura
Headset size	1 (inches) Shimano 600 Ultegra

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG92
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118.5 (millimeters) Spindle Shimano BB-6500
Crankset parts and sizes	39/53 Teeth Shimano 600 Ultegra
Gear shift levers	Shimano 600 Ultegra STI Dual Control
Rear gear set	12 - 23 Teeth 9-speed

Jamis Comet Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano 600 Ultegra
Derailleur (Rear)	Shimano 600 Ultegra SS
Fork material	Aero Crown Aluminum
Fork type	Kinesis Air Foil

Other Specs of Jamis Comet

Component group sets	Shimano 600 Ultegra
Pedals details	Time Equipe Challenge Pro
Rear shock absorber	Not Available
Saddle seat	Titanium Rails SDG Ventura Comp
Seat post extension	27.0 (millimeters) Diameter Thomson Elite

Co-Motion Ristretto (Double)

General Infos

Model	Ristretto (Double)
Manufacturer	Co-Motion
Year of production	2007
Current price	Check price Here ==>
Color choice	-Choice of 30 standard PPG
Sizes	- 48cm (centimeters) - 50cm (centimeters) - 52cm (centimeters) - 53cm (centimeters) - 54cm (centimeters) - 55cm (centimeters) - 56cm (centimeters) - 57cm (centimeters) - 58cm (centimeters) - 59cm (centimeters) - 60cm (centimeters) - 61cm (centimeters) - 62cm (centimeters) - 63cm (centimeters) - 64cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Michelin Pro Race
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra 6600 STI Levers Shimano Ultegra Brakes
Hubs for disc brakes	Easton Circuit
Rims manufacturer	Easton Circuit
Spoke nipples type	Not Available
Spoke wheel	Easton

Frame and Body Specs

Frame materials	Easton Ultralight 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Deda 215
Handlebar extender	Optional
Handlebar stem details	Ritchey Pro
Headset size	1 1/8 (inches) Threadless Chris King Threadless

Gearing Specifications

Bicycle chain	Shimano CN-6600
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Ultegra 6600 Hollowtech II
Crankset parts and sizes	39/53 Teeth Shimano Ultegra
Gear shift levers	Shimano Ultegra 6600 STI
Rear gear set	12 Teeth 10-speed

Co-Motion Ristretto (Double) Fork System Data

Derailleur (Front)	Shimano Ultegra 6600
Derailleur (Rear)	Shimano Ultegra 6600
Fork material	Aero Crown Carbon Fiber
Fork type	Reynolds Ouzo Pro

Other Specs of Co-Motion Ristretto (Double)

Component group sets	Shimano Ultrega 6600
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Titanium Rails Selle Italia Flite
Seat post extension	27.2 (millimeters) Diameter American Classic