Caloi Sigma XC 1997 Technical specs and features

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General specs of Caloi Sigma XC bicycle

Brand	Caloi
Model	Sigma XC
First production	1997
Bike category	Mountain Bike
Bike sub-category	Mountain With Front Suspension
Bike Pricing	See price on Amazon
Parts And Accessories	Caloi Sigma XC Parts
Available Sizes	- 15 (inches) / 38.1 (cm) - 15 (inches) - 17 (inches) / 43.18 (cm) - 17 (inches) - 19 (inches) / 48.26 (cm) - 19 (inches) - 21 (inches) / 53.34 (cm) - 21 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Maxxis Gluteus Front: 26 X 2.10 (inches) Maxxis Instinct
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano STX Levers Shimano Deore LX V-Brake 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 Ta Sen Stainless Steel

Frame and Body Specifications

Frame materials	Alcoa 6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Tranz X
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Threadless Dia-Compe Aheadset

Gearing Specs

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
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	Optional
Rear gear set	11 - 28 Teeth 8-speed

Caloi Sigma XC Fork System Data

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

Other Specs of Caloi Sigma XC

Component group sets	Shimano Deore LX and STX
Available colors	- Matte black - matte blue - polished
Weight	26.9
Pedals details	Aluminum Cage With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Caloi Avante SX
Seat post extension	27.0 (millimeters) Diameter Zoom

Caloi Sigma XC picture

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Caloi Sigma XC bike review

Caloi produced the Sigma XC bike in 1997 and can be classified as a Mountain bike bicycle, this exact model costs in american market arround $899.00.
Sigma XC bike is available in many sizes such as 15 (inches), 17 (inches), 19 (inches) and 21 (inches).
Caloi Mountain bike Sigma XC can be found in a few colors, among these colors Matte black, matte blue and polished .
This bike is equiped with Front: 26 x 2.10" Maxxis Instinct tires and Ta Sen stainless steel spoke wheel while the rims are manufactured by Weinmann Zac 19, 32-hole. Caloi equiped this exact model with Shimano Deore LX V-Brake brakes, Shimano STX levers braking system and Shimano STX-RC hubs.
To guarantee the comfiest ride Caloi used Alcoa 6061 T6 aluminum material for the frame. Aluminum high strength material is used on the handlebar of this Sigma XC to ensure the perfect handling while the stems are made of Aluminum.
For the smoothest biking experience Shimano STX, 22/32/42 teeth is used on this bicycle linked to Shimano CN-IG51 chain that is easily replaceable as stated by Caloi, the whole system is connected to a high reliability Optional gear shift levers.