The 1995 Caloi Sigma DH4 is a 27 pound a mountain bike with an aluminum Alcoa frame. The frame has a polished finish. The Sigma DH4 is a is an average weight bike at around 25 pounds. It was released in 1995 and costs $1,599 brand new. The Sigma DH4 is fully rigid.
Components
The Sigma DH4 comes with Shimano STX-RC components, including a Caloi System Control stem, a Dia-Compe S Series Aheadset headset and Shimano STX-RC RapidFire Plus shifters.
Drivetrain
The Sigma DH4 has 7 speeds and has a Shimano STX-RC derailleur.
Wheels
It comes with Maxxis Cobra tires (26in x 2.1in) and Rigida LASER rims.