Jamis COMET 1998 VS BH Bikes PRISMA ULTEGRA 2011 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

BH Bikes Prisma Ultegra

General Infos

Model	Prisma Ultegra
Manufacturer	BH Bikes
Year of production	2011
Current price	Check price Here ==>
Color choice	- red and white and black -Green and white and black
Sizes	- Not available

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Rubino Pro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano Ultegra Levers Shimano Ultegra Brakes
Hubs for disc brakes	Shimano RS20
Rims manufacturer	Shimano RS20
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Prisma UD IM Carbon
Frame type	Carbon
Handlebar construction	FSA Wing Pro Compact
Handlebar extender	Optional
Handlebar stem details	FSA OS-150
Headset size	BH Custom Tapered

Gearing Specifications

Bicycle chain	Shimano 105
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	50/34t Teeth Shimano Ultegra
Gear shift levers	Not Available
Rear gear set	11 - 28 Teeth

BH Bikes Prisma Ultegra Fork System Data

Derailleur (Front)	Shimano Ultegra
Derailleur (Rear)	Shimano Ultegra
Fork material	Carbon
Fork type	Prisma Carbon Tapered

Other Specs of BH Bikes Prisma Ultegra

Component group sets	Shimano Ultegra
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Pro Logo Kappa STN
Seat post extension	Carbon Single Bolt Adjust