Caloi SIGMA XC 1998 VS Ritchey P-20 1999 specs comparison
Caloi Sigma XC
General InfosModel | Sigma XC |
Manufacturer | Caloi |
Year of production | 1998 |
Current price | Check price Here ==> |
Color choice | - orange- polished-Blue |
Sizes | - 15 (inches)- 17 (inches)- 19 (inches)- 21 (inches) |
Sizes | - 15 (inches)- 17 (inches)- 19 (inches)- 21 (inches) |
Wheels And Breaking System
Bike front tire | Rear: 26 X 2.10 (inches) Maxxis GluteusFront: 26 X 2.10 (inches) Maxxis Incisor |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Tektro LeversTektro 823 Linear-pull Brakes |
Hubs for disc brakes | Shimano STX-RC |
Rims manufacturer | 32-holeWeinmann Zac 19 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeMarwi Stainless Steel |
Frame and Body Specs
Frame materials | Alcoa 6061 T6 Aluminum |
Frame type | TIG-welded |
Handlebar construction | Caloi Aluminum |
Handlebar extender | Caloi Aluminum |
Handlebar stem details | Kalloy Aluminum |
Headset size | 1 1/8 (inches) Threadless Aheadset SE-1 |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)KMC Z-51 |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | 110 (millimeters) SpindleShimano BB-UN52 |
Crankset parts and sizes | 22/32/42 TeethShimano STX |
Gear shift levers | Shimano STX-RC RapidFire SL |
Rear gear set | 11 - 28 Teeth8-speed |
Caloi Sigma XC 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 CrownAluminum and magnesium |
Fork type | Rock Shox Indy C |
Other Specs of Caloi Sigma XC
Component group sets | Shimano STX-RC |
Pedals details | Wellgo LU-974A |
Rear shock absorber | Not Available |
Saddle seat | Caloi Avante' SX |
Seat post extension | 27.0 (millimeters) DiameterZoom Microset |

Ritchey P-20
General InfosModel | P-20 |
Manufacturer | Ritchey |
Year of production | 1999 |
Current price | Check price Here ==> |
Color choice | -Red with Black Panels |
Sizes | - 14 (inches)- 15 (inches)- 16 (inches)- 17 (inches)- 18 (inches)- 19 (inches)- 20 (inches)- 21 (inches)- 22 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 1.90 (inches) Ritchey WCS |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Shimano XTR LeversRitchey Linear Logic Pro Brakes |
Hubs for disc brakes | Ritchey Zero System WCS |
Rims manufacturer | 28-holeRitchey Zero System WCS |
Spoke nipples type | Alloy Nipples |
Spoke wheel | 2.0 (millimeters) Double-buttedRitchey Stainless Steel |
Frame and Body Specs
Frame materials | Ritchey Logic WCS |
Frame type | TIG-welded |
Handlebar construction | Ritchey ProLite |
Handlebar extender | Ritchey WCS Speedblast |
Handlebar stem details | Ritchey Ahead Pro |
Headset size | Ritchey Fuzzy Logic |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)Sachs |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | 107 (millimeters) SpindleRitchey WCS |
Crankset parts and sizes | 29/42 TeethRitchey 2x9 |
Gear shift levers | Ritchey 2x9 |
Rear gear set | 11 - 30 Teeth9-speed |
Ritchey P-20 Fork System Data
Derailleur (Front) | Clamp-on 28.6 (millimeters)Shimano Ultegra |
Derailleur (Rear) | Shimano XTR |
Fork material | Triple-clamp CrownAluminum and magnesium |
Fork type | 2.36 (inches) TravelRock Shox Sid XC |
Other Specs of Ritchey P-20
Component group sets | Mountain Mix |
Pedals details | Ritchey Logic Pro |
Rear shock absorber | Not Available |
Saddle seat | Ritchey Wing WCS |
Seat post extension | 27.0 (millimeters) DiameterRitchey Speedblast |
Useful links and guides ....
- To know more about this exacte bike, Caloi provided us with the latest version of its Sigma XC bike manual
- Find All parts, tires and accessories of Caloi Sigma XC Mountain bike here
- Get your Ritchey P-20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Ritchey P-20 Mountain bike here