• FSA OS-99 CSI Stem

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FSA OS-99 CSI Stem

Forged and CNC-machined AL7050/T6 stem by Full Speed Ahead. FSA has a long history in the sport of cycling and a strong heritage of innovation in design and manufacturing.


  • 4-bolt sculpted faceplate
  • 6/4 Titanium hardware
  • Finish - Black anodized with flip-flop graphics
  • For 31.8mm handlebars
  • For 1.1/8" steerer tube
  • 35mm stack height
  • Sizes: +/-6º x 80, 90, 100, 110, 120, 130mm
  • Weight: 126g (100mm)

Buy FSA Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.

  • Delivery costFREE
  • Delivery toUSA
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.

    More information on returns
  • Pay by PayPal, Bank Transfer or Card


Buying Guide

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