Full Speed Ahead K-Force/SL-K PBox Super Road 39T Chainring 4-Bolt Alloy for Enhanced Stiffness & Smooth Gear Transitions

★★★★★ 4.9 132 reviews

US$18.40
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US$18.40
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Management number 221111534 Release Date 2026/05/03 List Price US$18.40 Model Number 221111534
Category

Upgrade Your Road Cycling Performance with the Full Speed Ahead K-Force / SL-K / PBox Super Road Chainring 39T Enhance your road bike's efficiency and responsiveness with the Full Speed Ahead K-Force / SL-K / PBox Super Road Chainring 39T. Designed for serious cyclists, this high-performance chainring combines precision engineering, durable materials, and advanced technology to deliver superior power transfer and smooth gear transitions. Materials & Construction: Crafted from lightweight, aerospace-grade alloy, the 39T Super Road Chainring offers exceptional durability and stiffness, ensuring maximum power output and efficient energy transfer during intense rides. The robust alloy construction resists corrosion and wear, providing long-lasting performance in various riding conditions. Performance & Engineering: Engineered for competitive and recreational road cyclists alike, this chainring features optimized tooth profiling for smooth and precise shifting. Its reinforced design boosts stiffness at key stress points, reducing flex and maintaining optimal chain engagement. The 39-tooth configuration provides an ideal balance of cadence and torque, making it perfect for climbing, sprinting, and flat-road riding. Components & Technology: Compatible with K-Force, SL-K, and PowerBox cranksets, this chainring utilizes a standard 4-bolt mounting pattern for quick and secure installation. The innovative design ensures compatibility across multiple high-end crank systems, simplifying upgrades and maintenance. Style & Use Case: Ideal for road racers, Gran Fondo enthusiasts, and fitness riders, this chainring combines sleek aesthetics with high functionality. Its versatile 39T size offers a perfect choice for riders seeking agility and control over varied terrain, enabling rapid acceleration and efficient cadence maintenance. Innovative & Unique Features: The Full Speed Ahead Super Road Chainring features advanced engineering to optimize gear transitions, reduce drivetrain noi

  • High-performance 39T road chainring designed for competitive cycling and endurance riding to provide optimal gear ratios on the open road.
  • Constructed from durable high-grade alloy, ensuring lightweight strength, corrosion resistance, and long-lasting performance for rigorous cycling conditions.
  • Engineered with a 4-bolt pattern for secure attachment and enhanced stiffness, delivering precise power transfer and efficient pedaling for aggressive acceleration and climbing.
  • Compatible with Full Speed Ahead's K-Force, SL-K, and PowerBox cranksets, offering seamless integration and versatility across a range of high-performance road bikes.
  • Innovative design features focused on optimized gear transitions and smooth cadence, making this chainring ideal for serious cyclists seeking speed, reliability, and enhanced efficiency.
UPC 840031045249
Model 371-0078005050
Brand Name FSA
Unit Count 1.0 Count
Item Length 10 Inches
Item Weight 0.21 Pounds
Part Number Full Speed Ahead-CNRG2812
Strand Type Double
Manufacturer Full Speed Ahead
Material Type Multi
Included Components Chainrings
Warranty Description Limited Warranty

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4.9 out of 5
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132 ratings | 54 reviews
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