Litespeed SIENA 105 2004 VS BH G4/ DURA-ACE DI2 2009 specs comparison

Litespeed Siena 105

General Infos

Model	Siena 105
Manufacturer	Litespeed
Year of production	2004
Current price	Check price Here ==>
Color choice	-Brushed
Sizes	- 51cm (centimeters) - 53cm (centimeters) - 55cm (centimeters) - 57cm (centimeters) - 59cm (centimeters)
Sizes	- 51cm (centimeters) - 53cm (centimeters) - 55cm (centimeters) - 57cm (centimeters) - 59cm (centimeters)

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 105 STI Dual Control Levers Shimano 105 Dual Pivot Brakes
Hubs for disc brakes	Mavic Cosmos
Rims manufacturer	32-hole Mavic Cosmos
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Aero Shimano Stainless Steel

Frame and Body Specs

Frame materials	3Al and 2.5V Titanium and carbon Fiber Composite
Frame type	TIG-welded
Handlebar construction	ITM Super Italian Pro 330
Handlebar extender	Optional
Handlebar stem details	ITM
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	109.5 (millimeters) Spindle Shimano BB-5500
Crankset parts and sizes	39/53 Teeth Shimano 105
Gear shift levers	Shimano 105 STI Dual Control
Rear gear set	12 - 23 Teeth 9-speed

Litespeed Siena 105 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano 105
Derailleur (Rear)	Shimano 105 SS
Fork material	Aero Crown Carbon Fiber Composite
Fork type	LSP Carbon

Other Specs of Litespeed Siena 105

Component group sets	Shimano 105
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Selle Italia Nitrox Gel
Seat post extension	27.2 (millimeters) Diameter Thomson Elite

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