FSA OS 97 stem

  • Sale
  • Regular price $140.00

FSA Stem ST-OS-97 31.8mm

The ST-OS-97 is an AL2014 aluminum 3-D forged and CNC milled stem coated with unidirectional (UD) carbon in CSI process (Carbon Structural Integration). To further reduce weight, an AL2014 alloy mounting plate with carbon front panel and titanium hardware is used.

Features - Stem ST-OS-97 90mm / 31.8mm

  • 3D forged and CNC machined from AL2014
  • UD carbon weave skin applied through CSI process

Product Features

  • Material: AL2014 Aluminium / UD Carbon
  • Stack: 41mm
  • Angle: +/- 6°
  • Clamping diameter: 31.8 mm
  • Length: 90mm


  • black


  • approx. 122g (90mm)