Guru JAVA 1997 VS Kestrel 4000 LIMITED EDITION-SHIMANO DI2 2011 specs comparison

Guru Java

General Infos

Model	Java
Manufacturer	Guru
Year of production	1997
Current price	Check price Here ==>
Color choice	- blue - brushed - chrome-plated - green - orange - red - satin - silver - whi -Black
Sizes	- 47 cm (centimeters) - 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)
Sizes	- 47 cm (centimeters) - 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)

Wheels And Breaking System

Bike front tire	700 X 23c Michelin Hi-Lite Super Comp
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	Alloy Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Competition Stainless Steel

Frame and Body Specs

Frame materials	Columbus Neuron OS
Frame type	TIG-welded
Handlebar construction	ITM
Handlebar extender	Not Available
Handlebar stem details	ITM Eclypse
Headset size	1 (inches) Shimano 600 Ultegra

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG70
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-UN52
Crankset parts and sizes	39/53 Teeth Shimano 600 Ultegra
Gear shift levers	Shimano 600 Ultegra Bar-end
Rear gear set	12 - 23 Teeth 8-speed

Guru Java Fork System Data

Derailleur (Front)	Bottom-pull and braze-on Shimano 600 Ultegra
Derailleur (Rear)	Shimano 600 Ultegra
Fork material	Unicrown Crown Columbus Neuron
Fork type	Guru Straight Blade

Other Specs of Guru Java

Component group sets	Shimano 600 Ultegra
Pedals details	Shimano PD-6500 600 Ultegra SPD Clipless
Rear shock absorber	Not Available
Saddle seat	Selle Italia Turbomatic 2
Seat post extension	27.2 (millimeters) Diameter ITM

Kestrel 4000 Limited Edition-Shimano Di2

General Infos

Model	4000 Limited Edition-Shimano Di2
Manufacturer	Kestrel
Year of production	2011
Current price	Check price Here ==>
Color choice	-Red and White
Sizes	- 50cm (centimeters) - 52.5cm (centimeters) - 55cm (centimeters) - 57.5cm (centimeters) - 59.5cm (centimeters)

Wheels And Breaking System

Bike front tire	700 X 23c Vittoria Open Corsa EVO CX
Bike rear tire	Not Available
Bike wheel size	700c Wheels
Brakeset type	Oval 900 Carbon Levers TRP T-920 Brakes
Hubs for disc brakes	Rear: Oval W999 Front: Oval W985
Rims manufacturer	Oval 765 Carbon and alloy Clincher
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Carbon
Frame type	Bonded and monocoque
Handlebar construction	Oval R901 Carbon
Handlebar extender	Optional
Handlebar stem details	Oval R900 Carbon
Headset size	1 1/4 (inches) To 1 1/8 (inches) FSA No.53

Gearing Specifications

Bicycle chain	Wippermann 10SG Gold
Bottom bracket shell width	Not Available
Bottom bracket type	FSA Integrated BB30
Crankset parts and sizes	54/42 Teeth Vision Trimax Hollow Aero Carbon
Gear shift levers	Shimano Dura-Ace Di2
Rear gear set	11 - 27 Teeth 10-speed

Kestrel 4000 Limited Edition-Shimano Di2 Fork System Data

Derailleur (Front)	Shimano Dura-Ace Di2
Derailleur (Rear)	Shimano Dura-Ace Di2
Fork material	Aero Crown Carbon
Fork type	Kestrel EMS Pro TT

Other Specs of Kestrel 4000 Limited Edition-Shimano Di2

Component group sets	Shimano Dura-Ace Di2
Pedals details	Not Available
Rear shock absorber	Not Available
Saddle seat	Oval ST900 Tri With Ti Rails
Seat post extension	Kestrel Aero Carbon With Ritchey Clamp System