Caloi Sigma DH4 1995 Technical specs and features
| Brand | Caloi |
| Model | Sigma DH4 |
| First production | 1995 |
| Bike category | Mountain Bike |
| Bike sub-category | Mountain With Dual Suspension |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | Caloi Sigma DH4 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 | 26 X 2.10 (inches) Maxxis Cobra |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano STX-RC Levers Shimano STX-RC M-System Brakes |
| Hubs for disc brakes | Shimano STX-RC |
| Rims manufacturer | Rigida LASER |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specifications
| Frame materials | Double-butted Alcoa 7005 Aluminum |
| Frame type | Welded Aluminum |
| Handlebar construction | 6061 T6 Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Caloi System Control |
| Headset size | 1 1/8 (inches) Dia-Compe S Series Aheadset |
Gearing Specs
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG30 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 22/32/42 Teeth Shimano STX-RC |
| Gear shift levers | Shimano STX-RC RapidFire Plus |
| Rear gear set | 11 - 28 Teeth 7-speed |
Caloi Sigma DH4 Fork System Data
| Derailleur (Front) | Top-pull and clamp-on 31.8 (millimeters) Shimano STX-RC |
| Derailleur (Rear) | Shimano STX-RC |
| Fork material | Triple-clamp Crown Aluminum |
| Fork type | Manitou Comp |
Other Specs of Caloi Sigma DH4
| Component group sets | Shimano STX-RC |
| Available colors | - Polished |
| Weight | Not Available |
| Pedals details | Not Available |
| Rear shock absorber | Not Available |
| Saddle seat | Caloi |
| Seat post extension | 27.0 (millimeters) Diameter Caloi Alloy |
Caloi Sigma DH4 picture
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Caloi Sigma DH4 bike review
Caloi produced the Sigma DH4 bike in 1995 and can be classified as a Mountain bike bicycle, this exact model costs in american market arround $1,599.00.
Sigma DH4 bike is available in many sizes such as 15 (inches), 17 (inches), 19 (inches) and 21 (inches).
Caloi Mountain bike Sigma DH4 can be found in one single color which is Polished.
This bike is equiped with 26 x 2.10" Maxxis Cobra tires and Stainless steel spoke wheel while the rims are manufactured by Rigida LASER. Caloi equiped this exact model with Shimano STX-RC M-System brakes, Shimano STX-RC levers braking system and Shimano STX-RC hubs.
To guarantee the comfiest ride Caloi used Alcoa 7005 aluminum, double-butted material for the frame. 6061 T6 aluminum high strength material is used on the handlebar of this Sigma DH4 to ensure the perfect handling while the stems are made of Caloi System Control.
For the smoothest biking experience Shimano STX-RC, 22/32/42 teeth is used on this bicycle linked to Shimano CN-IG30 chain that is easily replaceable as stated by Caloi, the whole system is connected to a high reliability Shimano STX-RC RapidFire Plus gear shift levers.