The World's Largest Online Bike Store
  • FSA OS-99 UD Carbon CSI Stem - Old Graphic
  • FSA OS-99 UD Carbon CSI Stem - Old Graphic
  • RRP$298.49
  • |
  • SAVE64%

Select  Colour
Select  Diameter
Select  Length
Select  Steerer Diameter
  • IN STOCK(5+)

  • right This item ships to United States of America
  • right Shipping amount : Free
  • right 365 DAYS to return or exchange
  • right Pay by Bank Transfer or PayPal or Card

FSA OS-99 CSI Stem - Old Graphic

Forged and CNC-machined AL7050/T6 stem by Full Speed Ahead


  • 3D Forged and CNC machined from AL2014
  • UD carbon weave skin applied through CSI process
  • 4 bolt sculpted AL2014 Alloy/Carbon faceplate
  • Titanium Hardware


  • Sizes:
    • +/- 6º x L80, 90, 100, 110, 120, 130mm
    • Ø31.8mm handlebar clamp
    • 41mm fork clamp stack height
  • Finish:
    • UD Carbon finish
    • Color graphics options - Red, Black
  • Weight: 128 grams (110mm)

Buy FSA OS-99 CSI Stem - Old Graphic from Chain Reaction Cycles, the World’s Largest Online Bike Store.

  • Colour: Black - White
  • Length: 130mm, 110mm, 90mm, 80mm, 120mm
  • Material: Carbon
  • Diameter: 31.8mm
  • Steerer Diameter: 1.1/8"
Rated 5 out of 5 by 1 reviewer.
Rated 5 out of 5 by Excellent stem! I already have one of these stems for a few years and order a second one in a different length. I am 200+LBS road cyclist who gets out of the saddle to push hard and have never felt any flex in this stem. On sale it is an absolute bargain. 12 June 2014
1-1 of 1