Caloi Sigma XC 1997 Technical specs and features
| Brand | Caloi |
| Model | Sigma XC |
| First production | 1997 |
| Bike category | Mountain Bike |
| Bike sub-category | Mountain With Front Suspension |
| Bike Pricing | Check price Here ==> |
| 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 |
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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.