Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 71381
| Model year | 1998 |
|---|---|
| Brand | Caloi |
| Model | Sigma FS |
| Bicycle type | Mountain bike, front & rear suspension |
| Archive ID | 71381 |
| Original MSRP | $1,075.00 |
| Colors | Polished/blue, polished/yellow |
| Sizes | Medium |
| Weight | 29.9 lb |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Alcoa 6061 T6 aluminum |
| Fork | Rock Shox Indy C |
| Fork material | Aluminum/magnesium, triple-clamp crown |
| Rear shock | Rock Shox Deluxe, 3.5" travel |
| Component group | Shimano STX-RC |
|---|---|
| Shifters | Shimano STX-RC RapidFire SL |
| Front derailleur | Shimano STX top-swing, top-pull/clamp-on 31.8mm |
| Rear derailleur | Shimano Deore LX SGS |
| Crankset | Shimano STX, 22/32/42 teeth |
| Bottom bracket | Shimano BB-UN52, 110mm spindle |
| BB shell width | 68mm English |
| Rear cogs | 8-speed, 11 - 28 teeth |
| Chain | KMC Z-51, 1/2 x 3/32" |
| Pedals | Wellgo LU-974A |
| Brakes | Tektro 823 linear-pull brakes, Tektro RBP-375A levers |
|---|
| Headset | 1 1/8" threadless Aheadset SE-1 |
|---|---|
| Handlebar | Caloi aluminum |
| Handlebar extensions | Caloi aluminum |
| Stem | Kalloy aluminum |
| Saddle | Caloi Avante' SX |
| Seatpost | Zoom Microset, 27.0mm diameter |
| Hubs | Shimano STX-RC |
|---|---|
| Rims | Weinmann Zac 19, 32-hole |
| Spokes | Marwi stainless steel, 2.0mm straight gauge |
| Spoke nipples | Brass nipples |
| Front tire | Front: 26 x 2.10" Maxxis Incisor, Rear: 26 x 2.10" Maxxis Gluteus |
| Wheel size | 26" wheels |
| Top tube | 574 mm |
|---|---|
| Head-tube angle | 70° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 429.3 mm |
| Wheelbase | 1074.4 mm |
| Fork offset / rake | 40.6 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 26, 2026.