−33%

FSA OS-99 CSI 6° 31.8mm 1"1/8

100 mm, 31.80 mm
was CHF187.66
Ratings
Delivered between Fri, 18.9. and Tue, 22.9.
Supplied by
free shipping

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Product details

The OS-99 CSI stem is a highly developed component specifically designed for road bikes and gravel bikes. Made from high-quality AL7075-T6 aluminum, this stem offers excellent strength and durability. The forged 3D and CNC machining ensure a precise fit and an appealing design. With a stem angle of 6°, it allows for an optimal riding position for the cyclist. The 3K carbon finish not only gives the stem a modern look but also contributes to weight reduction. Weighing only 118 g in the 100 mm variant, this stem is a lightweight and high-performance choice for demanding cyclists.

  • Shaped cap with 4 clamp screws for added stability
  • Use of titanium screws for weight reduction
  • Compatible with fork steerer diameter of 1 1/8''
  • Suitable for road bikes and gravel bikes.

Key specifications

Colour
Black
Exact colour description
Black
Fork shank diameter
1 1/8''
Stem angle
6°
Diameter
31.80 mm
Length
100 mm
Weight
125 g

General information

Item number
413757
Manufacturer
FSA
Category
Stems
Manufacturer No.
21254
Release date
7.3.2013

Colour

Colour
Black
Exact colour description
Black

Material

Material group
Carbon
Material
Carbon

Stem properties

Bicycle type
Gravelbike, Racing bikes
Fork shank diameter
1 1/8''
Stem angle
6°

Origin

Country of origin
France

Voluntary climate contribution

CO₂ emissions
3.39 kg
Climate contribution
CHF 0.11

Product dimensions

Diameter
31.80 mm
Length
100 mm
Weight
125 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Stems» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • FSA
    Not enough data
  • 1.Bontrager
    0 %
  • 1.Humpert
    0 %
  • 1.M-Wave
    0 %
  • 1.Race Face
    0 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • FSA
    Not enough data
  • BBB
    Not enough data
  • Bontrager
    Not enough data
  • Ergotec
    Not enough data
  • Humpert
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Stems» category returned?

Source: Digitec Galaxus
  • FSA
    Not enough data
  • 1.Bontrager
    2 %
  • 2.M-Wave
    2.8 %
  • 3.PRO Bike Gear
    7.2 %
  • 4.BBB
    8.1 %
Source: Digitec Galaxus