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  2. sku: 14486865646657611
  3. FSA OS170

FSA OS170 Clamp Stem 100MM 31.8

Os170 Fsa 100mm 31.8 Clamp Stem

( Brand: Fsa ), ( Manufacturer Part Number: OS170 ), ( Model: FSA OS170 ), ( Part Type: Clamp Stem ), ( Item Width: 100 Mm ), ( Clamp Diameter: 31.8 Mm )

Review FSA 100mm 31.8 Clamp Stem

FSA OS-170 100mm 31.8mm Clamp Stem - A Symphony of Cycling Elegance

Embark on a journey of cycling sophistication with the FSA OS-170 100mm 31.8mm Clamp Stem. This masterpiece, crafted by FSA, a renowned name in the cycling industry, is not just a component but a testament to the harmony of design, performance, and durability.

The FSA OS-170 stem showcases a sleek, modern aesthetic that seamlessly integrates with a wide array of handlebars, thanks to its 31.8mm clamp diameter. Boasting a length of 100mm, it offers an ideal balance between responsiveness and stability, catering to riders who seek a confident, agile riding experience.

Crafted from high-quality aluminum alloy, this stem is lightweight yet robust, ensuring it can withstand the rigors of regular use. The anodized finish not only adds a touch of elegance but also provides superior durability, resisting scratches, and corrosion.

The OS-170 stem features a 6-degree rise, enabling a comfortable, upright riding position that reduces strain on your neck and back. The forged steerer clamp ensures secure and precise steering, while the four-bolt faceplate guarantees a strong, reliable connection to your handlebars.

Whether you're tackling steep climbs, navigating twisty descents, or simply cruising through city streets, the FSA OS-170 100mm 31.8mm Clamp Stem is a versatile companion that delivers unwavering performance and timeless style. Elevate your cycling experience with this exceptional piece of engineering, and let the FSA OS-170 stem become an integral part of your cycling journey.

Product: FSA OS-170 100mm 31.8 Clamp Stem

Pros:

1. Known Brand: FSA (Full Speed Ahead) is a well-established brand in the cycling industry, known for their quality products.

2. Adjustable: This stem allows for fore and aft adjustment, giving riders the ability to fine-tune their handlebar position.

3. Durable: The OS-170 stem is made of 6061-T6 aluminum, which is a strong and lightweight material.

4. Compatibility: The 31.8 clamp diameter is a standard size, ensuring compatibility with most handlebars.

Cons:

1. Price: Compared to some other stems in the market, the FSA OS-170 can be considered quite pricey.

2. No Ahead Stop: Some riders may find the lack of an ahead stop (a feature that prevents the stem from rotating past a certain point) a disadvantage.

3. Weight: While aluminum is lightweight, other materials like carbon fiber can be lighter still, potentially making a difference for competitive riders.

Conclusion:

The FSA OS-170 100mm 31.8 Clamp Stem is a high-quality product from a trusted brand. Its adjustability and durability make it a great choice for many cyclists. However, its price and lack of an ahead stop may be drawbacks for some. If budget isn't a concern and you value the brand and adjustability, this stem could be a good fit. For those seeking a lighter weight or more affordable option, there may be other stems on the market that better suit your needs.

Details:

Includes carbon face plate includes.

part #: os170 prices

  • $21.95-$112.42

specifications ribicycl:

  • brand: Fsa
  • mpn: Os170
  • model: Fsa Os170
  • part type: Clamp Stem
  • item width: 100 Mm
  • clamp diameter: 31.8 Mm

general ribicycl:

  • condition: Used
  • Cycling > Bicycle Components Parts > Stems

returns ribicycl:

  • policy: No Returns

payments ribicycl:

  • other
  • credit card: Visa
  • wallet: Apple-pay

shipping ribicycl:

  • type: Calculated
  • carrier: USPS
  • cost: $8.05
  • transit: 6-13 Days
  • service: USPS Ground Advantage
  • class: Standard

offer ribicycl:

  • options: Ship-to-home
  • sold: 0
  • quantity: 1
  • availability: In Stock
  • started: August 29, 2025

seller ribicycl:

  • city: Granit, California
  • # reviews: 195
  • rating: 100.0%
part type: clamp stem, item width: 100 mm, clamp diameter: 31.8 mm,
category: sporting goods > cycling > bicycle components parts > stems, sku: 14486865646657611,
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5 offers $21.95–$112.42 USD
  • New. Offer #1 priced at $70.60 + $0.00 shipping estimate = $70.60* total. 3D forged AL6061 2-bolt faceplate for softer look Front mounting bolts for clean shapeSIZES +30 x L70, 90mm 31.8 handlebar clamp 70mm fork clamp stack heightFINISH Brushed alloy silver or black Color graphicsWEIGHT 170 grams (90mm)Silver - 90mm.FREE SHIPPING
  • New. Offer #2 priced at $112.42 + $0.00 shipping estimate = $112.42* total. 3D forged and CNC machined AL2014 Face Plate - Carbon structural Integration (CSI) Chromoly hardwareSIZES -12 x L60, 70, 80, 90, 100, 110, 120, 130, 140mm 31.8mm handlebar clamp diameter 34mm fork clamp stack heightFINISH Anodized black Color graphics options - blackWEIGHT 133 grams (100mm)110mm.FREE SHIPPING
  • Used. Offer #3 priced at $21.95 + $11.35 shipping estimate = $33.30* total. Some scratches underneath as shown FSA Road-Mountain Stem -/+ 6 deg Rise 120mm 31.8mm Clamp x 1-1/8" Steerer Used but in good condition.+$11.35 shipping
  • Used. Offer #4 priced at $39.99 + $0.00 shipping estimate = $39.99* total. Very nice stem. Excellent used condition.FREE SHIPPING
  • New other (see details). Offer #5 priced at $69.90 + $0.00 shipping estimate = $69.90* total. Nice light, stiff, and comfortable set. Excellent new take off condition 42 CTC 6 degree rise on stem.FREE SHIPPING

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