VelopediaBicycle Archive · Specification report

1997 Caloi Sigma FS

Velopedia Archive ID 60605

Overview

Model year1997
BrandCaloi
ModelSigma FS
Bicycle typeMountain bike, front & rear suspension
Archive ID60605
Original MSRP$1,575.00
ColorsPolished
Sizes15", 17", 19", 21"
Weight28.7 lb

Frameset

Frame constructionTIG-welded
Frame materialEaston Elan 7005 aluminum
ForkRock Shox Indy C
Fork materialMagnesium, triple-clamp crown
Rear shockCane Creek AD-4, 4.0" travel

Drivetrain

Component groupShimano Deore LX/STX
ShiftersBuyer's choice
Front derailleurShimano STX, top-pull/clamp-on 31.8 mm
Rear derailleurShimano Deore LX SGS
CranksetShimano STX, 22/32/42 teeth
Bottom bracketShimano BB-UN52, 110 mm spindle
BB shell width68mm English
Rear cogs8-speed, 11 - 28 teeth
ChainShimano CN-IG51, 1/2 x 3/32"
PedalsAluminum cage w/clips & straps

Brakes

BrakesShimano Deore LX V-Brake brakes, Shimano STX levers

Cockpit & contact points

Headset1 1/8" threadless Dia-Compe Aheadset
HandlebarAluminum
Handlebar extensionsTranz X
StemAluminum
SaddleCaloi Avante SX
SeatpostZoom, 27.0 mm diameter

Wheels & tires

HubsShimano STX-RC
RimsWeinmann Zac 19, 32-hole
SpokesTa Sen stainless steel, 2.0mm straight gauge
Spoke nipplesBrass nipples
Front tireFront: 26 x 2.10" Maxxis Instinct, Rear: 26 x 2.10" Maxxis Gluteus
Wheel size26" wheels

Geometry · Legacy reference

Top tube558.8 mm
Head-tube angle70.5°
Seat-tube angle73°
Chainstay / rear center429.3 mm
Wheelbase1079.5 mm
Fork offset / rake40.6 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 26, 2026.