BH G4/ DURA-ACE 2008 VS K2 SPIRE ROAD 2005 specs comparison

BH G4/ Dura-Ace

General Infos

Model	G4/ Dura-Ace
Manufacturer	BH
Year of production	2008
Current price	Check price Here ==>
Color choice	-White and Carbon
Sizes	- 54cm (centimeters) - 55.5cm (centimeters) - 57cm (centimeters)
Sizes	- 54cm (centimeters) - 55.5cm (centimeters) - 57cm (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 Levers Shimano Dura-Ace 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	BH G4 Nano Carbon
Frame type	Monocoque
Handlebar construction	FSA SLK Carbon
Handlebar extender	Optional
Handlebar stem details	FSA OS-99
Headset size	Not Available

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Hollowtech II
Crankset parts and sizes	39/53 Teeth Shimano Dura-Ace Hollowtech II
Gear shift levers	Shimano Dura-Ace STI
Rear gear set	12 - 25 Teeth 10-speed

BH G4/ Dura-Ace Fork System Data

Derailleur (Front)	Shimano Dura-Ace
Derailleur (Rear)	Shimano Dura-Ace
Fork material	Aero Crown Carbon
Fork type	BH Carbon HM UL

Other Specs of BH G4/ Dura-Ace

Component group sets	Shimano Dura-Ace
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Pro Logo Nago Ti
Seat post extension	Integrated Carbon Seat Mast

K2 Spire Road

General Infos

Model	Spire Road
Manufacturer	K2
Year of production	2005
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- Xsmall - small - medium

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Zaffiro
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Shimano ST-R600 STI Dual Control Levers Tektro Dual Pivot Brakes
Hubs for disc brakes	Q and R Aluminum
Rims manufacturer	28-hole and 32-hole Alex AKX R1.0
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	6000 aluminum c
Frame type	TIG-welded
Handlebar construction	Ritchey Biomax II
Handlebar extender	Optional
Handlebar stem details	Ritchey Logic Road
Headset size	1 1/8 (inches) Integrated FSA

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z9000
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ ISIS Drive
Crankset parts and sizes	30/42/52 Teeth TruVativ Elita A1
Gear shift levers	Shimano ST-R600 STI Dual Control
Rear gear set	12 - 26 Teeth 8-speed

K2 Spire Road Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on Shimano 105 Triple
Derailleur (Rear)	Shimano 105 GS
Fork material	Aero Crown Carbon Fiber and aluminum Steerer
Fork type	RST

Other Specs of K2 Spire Road

Component group sets	Road Mix Triple
Pedals details	Wellgo WAM-19 Clipless
Rear shock absorber	Not Available
Saddle seat	Selle Italia Lady
Seat post extension	Carbon Fiber