FSA Full Speed Ahead Stem Kfx St 70Mm -12D 31.8 Bk

★★★★★ 4.7 49 reviews

$122.25
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$122.25
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Management number 210369160 Release Date 2026/04/02 List Price $48.90 Model Number 210369160
Category

Experience Precision and Performance with the Full Speed Ahead KFX ST Stem 31.8mm 70mm -12 Black Aluminum/Carbon Road Elevate your cycling experience with the Full Speed Ahead (FSA) KFX ST Stem, a high-performance component designed for serious road and mountain biking enthusiasts. Crafted from lightweight, durable AL2014 aluminum alloy combined with advanced carbon fiber technology, this stem offers an optimal balance of strength, rigidity, and weight savings - perfect for riders seeking exceptional responsiveness and control. Materials & Construction Constructed with CNC-machined alloy (AL2014) and reinforced with carbon fiber elements, the FSA KFX ST Stem ensures unparalleled durability and precision engineering. The combination of high-grade aluminum and carbon provides a lightweight yet robust build, reducing overall bike weight while maintaining structural integrity under demanding riding conditions. Performance & Engineering Specifically engineered for road and cross-country mountain biking, this stem features a -12 angled design, delivering a low stack height that enhances rider aerodynamics and handling. Its 70mm reach offers a balanced cockpit position for improved control and comfort during aggressive climbs and technical descents. The CNC-machined construction guarantees tight tolerances and a secure fit, ensuring reliable performance over countless rides. Components & Technology The FSA KFX ST Stem utilizes a 31.8mm clamp diameter, compatible with a wide range of handlebars for versatile setup options. Its innovative design incorporates advanced forging and CNC-machining techniques, optimizing strength-to-weight ratio. The ergonomic angle and precise engineering improve steering responsiveness, making it an ideal choice for competitive racing or trail riding. Style & Use Case With a sleek matte finish and minimalist aesthetic, the KFX ST Stem adds a race-inspired look to any bike. Its versatile design suits both cross-country and trail riders looking f

  • STEM FSA KFX ST 70mm -12d 31.8 BKThe KFX Stem is 3D forged and CNC-machined from AL2014 alloy that is then combined with a carbon structure using FSA CSI (Carbon Structural Integration) technology
  • CSI is a process that permanently bonds carbon to alloy to create a true hybrid product, with many of the benefits of aluminum and carbon
  • 35mm clamp stack height
  • Titanium hardware
  • Featuring a sleek black finish and engineered for responsive handling, this stem is the perfect upgrade to enhance your MTB cockpit's style and function.
Size 31.8x70mm
Color Black
Style Stems
Material Aluminum/Carbon
Brand Name FSA
Model Name KFX Stem
Item Weight 11.04 ounces
Part Number Full Speed Ahead-STEM1044
Manufacturer FSA
Package Weight 0.95 Pounds
Number of Items 1
Suggested Users unisex-adult
Included Components Stems
Warranty Description Limited Warranty
Item Dimensions LxWxH 9.5 x 5 x 1 inches
Item Package Dimensions L x W x H 6 x 3 x 2 inches

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4.7 out of 5
★★★★★
49 ratings | 20 reviews
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