Caloi Sigma FS 1998 Technical specs and features

Brand Caloi
Model Sigma FS
First production 1998
Bike category Mountain Bike
Bike sub-category Mountain With Dual Suspension
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Parts And Accessories Caloi Sigma FS Parts   
Available 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 tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Tektro RBP-375A Levers
Tektro 823 Linear-pull Brakes
Hubs for disc brakesShimano STX-RC
Rims manufacturer 32-hole
Weinmann Zac 19
Spoke nipples typeBrass Nipples
Spoke wheel 2.0 (millimeters) Straight Gauge
Marwi Stainless Steel

Frame and Body Specifications

Frame materialsAlcoa 6061 T6 Aluminum
Frame typeTIG-welded
Handlebar constructionCaloi Aluminum
Handlebar extenderCaloi Aluminum
Handlebar stem detailsKalloy Aluminum
Headset size1 1/8 (inches) Threadless Aheadset SE-1

Gearing Specs

Bicycle chain 1/2 X 3/32 (inches)
KMC Z-51
Bottom bracket shell width68 (millimeters) English
Bottom bracket type 110 (millimeters) Spindle
Shimano BB-UN52
Crankset parts and sizes 22/32/42 Teeth
Shimano STX
Gear shift leversShimano 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 typeRock Shox Indy C

Other Specs of Caloi Sigma FS

Component group setsShimano STX-RC
Available colors - Polished and blue
- polished and yellow
Weight 29.9
Pedals detailsWellgo LU-974A
Rear shock absorber 3.5 (inches) Travel
Rock Shox Deluxe
Saddle seatCaloi Avante' SX
Seat post extension 27.0 (millimeters) Diameter
Zoom Microset


Caloi Sigma FS bike review

Caloi produced the Sigma FS bike in 1998 and can be classified as a Mountain bike bicycle, this exact model costs in american market arround $1,075.00.
Caloi Mountain bike Sigma FS can be found in a few colors, among these colors Polished and blue and polished and yellow .
This bike is equiped with Front: 26 x 2.10" Maxxis Incisor tires and Marwi stainless steel spoke wheel while the rims are manufactured by Weinmann Zac 19, 32-hole. Caloi equiped this exact model with Tektro 823 linear-pull brakes, Tektro RBP-375A levers braking system and Shimano STX-RC hubs.
To guarantee the comfiest ride Caloi used Alcoa 6061 T6 aluminum material for the frame. Caloi aluminum high strength material is used on the handlebar of this Sigma FS to ensure the perfect handling while the stems are made of Kalloy aluminum.
For the smoothest biking experience Shimano STX, 22/32/42 teeth is used on this bicycle linked to KMC Z-51 chain that is easily replaceable as stated by Caloi, the whole system is connected to a high reliability Shimano STX-RC RapidFire SL gear shift levers.