Guru JAVA 1997 VS Opus ALLEGRO 2008 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

Opus Allegro

General Infos

Model	Allegro
Manufacturer	Opus
Year of production	2008
Current price	Check price Here ==>
Color choice	-Blue Polish and Carbon
Sizes	- Small - Medium - Large - Extra large

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 105 STI Dual Control Levers Tektro R-350 Brakes
Hubs for disc brakes	Mavic Aksium
Rims manufacturer	Mavic Aksium
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	T-700 Carbon Ga (millimeters)a 30
Frame type	Monocoque
Handlebar construction	Ora Race Ergo
Handlebar extender	Optional
Handlebar stem details	Ora OS-007
Headset size	1 1/8 (inches) Integrated TH

Gearing Specifications

Bicycle chain	Shimano CN-5600
Bottom bracket shell width	Not Available
Bottom bracket type	FSA Mega EXO
Crankset parts and sizes	34/50 Teeth FSA CK-400SST
Gear shift levers	Shimano 105 STI Dual Control
Rear gear set	11 - 25 Teeth 10-speed

Opus Allegro Fork System Data

Derailleur (Front)	Shimano 105
Derailleur (Rear)	Shimano Ultegra
Fork material	Aero Crown Carbon and carbon Steerer
Fork type	Ora RC2

Other Specs of Opus Allegro

Component group sets	Shimano 105
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Ora Quantum
Seat post extension	31.6 (millimeters) Diameter Ora Carbon