GT IDRIVE 4 CARBON PRO 2007 VS Caloi SIGMA FS 1998 specs comparison

GT idrive 4 Carbon Pro

General Infos

Model	idrive 4 Carbon Pro
Manufacturer	GT
Year of production	2007
Current price	Check price Here ==>
Color choice	-Carbon
Sizes	- Xsmall - small - mediuim - large - xlarge
Sizes	- Xsmall - small - mediuim - large - xlarge

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Kenda Nevegal Front: 26 X 2.35 (inches) Kenda Nevegal
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy 5 Levers Avid Juicy 5 Brakes
Hubs for disc brakes	DT Swiss Onyx Disc
Rims manufacturer	DT Swiss XR 455
Spoke nipples type	DT Swiss
Spoke wheel	14/15ga. Butted DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	GT Monocoque Carbon Fiber and 6061 Aluminum Rear Triangle
Frame type	TIG-welded and bonded
Handlebar construction	TruVativ XR 6061
Handlebar extender	Optional
Handlebar stem details	TruVativ XR 6061
Headset size	1 1/8 (inches) Integrated FSA Integrated

Gearing Specifications

Bicycle chain	Shimano CN-HG73
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Hollowtech II
Crankset parts and sizes	22/32/44 Teeth Shimano Deore XT
Gear shift levers	Shimano Deore LX
Rear gear set	11 - 32 Teeth 9-speed

GT idrive 4 Carbon Pro Fork System Data

Derailleur (Front)	Shimano Deore XT
Derailleur (Rear)	Shimano XTR High Normal
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) Fox Float R

Other Specs of GT idrive 4 Carbon Pro

Component group sets	Mountain Mix
Pedals details	Crank Bros Candy C
Rear shock absorber	4 (inches) Fox Float RP2 With Rebound Adjust And Adjustable
Saddle seat	Fi'zi:k Gobi
Seat post extension	TruVativ Micro Adjust

Caloi Sigma FS

General Infos

Model	Sigma FS
Manufacturer	Caloi
Year of production	1998
Current price	Check price Here ==>
Color choice	- polished and yellow -Polished and blue
Sizes	- Medium

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Maxxis Gluteus Front: 26 X 2.10 (inches) Maxxis Incisor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro RBP-375A Levers Tektro 823 Linear-pull Brakes
Hubs for disc brakes	Shimano STX-RC
Rims manufacturer	32-hole Weinmann Zac 19
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Marwi Stainless Steel

Frame and Body Specs

Frame materials	Alcoa 6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Caloi Aluminum
Handlebar extender	Caloi Aluminum
Handlebar stem details	Kalloy Aluminum
Headset size	1 1/8 (inches) Threadless Aheadset SE-1

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z-51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	22/32/42 Teeth Shimano STX
Gear shift levers	Shimano STX-RC RapidFire SL
Rear gear set	11 - 28 Teeth 8-speed

Caloi Sigma FS Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano STX Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Rock Shox Indy C

Other Specs of Caloi Sigma FS

Component group sets	Shimano STX-RC
Pedals details	Wellgo LU-974A
Rear shock absorber	3.5 (inches) Travel Rock Shox Deluxe
Saddle seat	Caloi Avante' SX
Seat post extension	27.0 (millimeters) Diameter Zoom Microset