Romic RACER (03) 1997 VS BH G4/ DURA-ACE DI2 2009 specs comparison

Romic Racer (03)

General Infos

Model	Racer (03)
Manufacturer	Romic
Year of production	1997
Current price	Check price Here ==>
Color choice	- green - light blue - purple - red - silver - white - yellow -Black
Sizes	- 48 cm (centimeters) - 49 cm (centimeters) - 50 cm (centimeters) - 51 cm (centimeters) - 52 cm (centimeters) - 53 cm (centimeters) - 54 cm (centimeters) - 55 cm (centimeters) - 56 cm (centimeters) - 57 cm (centimeters) - 58 cm (centimeters)
Sizes	- 48 cm (centimeters) - 49 cm (centimeters) - 50 cm (centimeters) - 51 cm (centimeters) - 52 cm (centimeters) - 53 cm (centimeters) - 54 cm (centimeters) - 55 cm (centimeters) - 56 cm (centimeters) - 57 cm (centimeters) - 58 cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 20c Michelin Tracer
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	32-hole Mavic Reflex SUP
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Reynolds 531
Frame type	Lugged
Handlebar construction	Cinelli 64
Handlebar extender	Not Available
Handlebar stem details	Cinelli 1/A
Headset size	1 (inches) Shimano 600 Ultegra

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG90
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-UN71
Crankset parts and sizes	42/53 Teeth Shimano 600 Ultegra
Gear shift levers	Shimano 600 Ultegra STI Dual Control
Rear gear set	13 - 23 Teeth 8-speed

Romic Racer (03) Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano 600 Ultegra
Derailleur (Rear)	Shimano 600 Ultegra
Fork material	Semi-sloping Crown Reynolds 531
Fork type	Romic

Other Specs of Romic Racer (03)

Component group sets	Shimano 600 Ultegra
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Turbo
Seat post extension	27.0 (millimeters) Diameter Kalloy Aluminum

BH G4/ Dura-Ace Di2

General Infos

Model	G4/ Dura-Ace Di2
Manufacturer	BH
Year of production	2009
Current price	Check price Here ==>
Color choice	-Red
Sizes	- 52cm (centimeters) - 54cm (centimeters) - 55.5cm (centimeters) - 57cm (centimeters) - 58.5cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Diamante Pro Light
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Shimano Dura-Ace Di2 Levers Shimano Dura-Ace Dual Pivot Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	Shimano Dura-Ace CL
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	High Modulus Carbon Fiber
Frame type	Bonded and monocoque
Handlebar construction	FSA SLK Carbon Compact
Handlebar extender	Optional
Handlebar stem details	FSA OS-99
Headset size	1 1/8 (inches) FSA Orbit CE Plus

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Hollowtech II
Crankset parts and sizes	34/50 Teeth Shimano Dura-Ace
Gear shift levers	Shimano Dura-Ace Di2
Rear gear set	11 - 25 Teeth 10-speed

BH G4/ Dura-Ace Di2 Fork System Data

Derailleur (Front)	Shimano Dura-Ace Di2
Derailleur (Rear)	Shimano Dura-Ace Di2
Fork material	Aero Crown Carbon Fiber and carbon Fiber Steerer
Fork type	Not Available

Other Specs of BH G4/ Dura-Ace Di2

Component group sets	Shimano Dura-Ace Di2 Electric
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Selle San Marco Aspide CS Ti
Seat post extension	Integrated