Description
Optimize your road and gravel cycling setup with the Full Speed Ahead ACR Stem 90mm, designed for superior performance, durability, and aerodynamic efficiency. Crafted from high-quality 6061 T6 aluminum with chromoly hardware, this lightweight stem delivers exceptional strength and corrosion resistance, ensuring reliability on both long-distance rides and competitive racing.
Engineered with FSA’s innovative Aerodynamic Cable Routing (ACR) system, the ACR Stem features a sleek low-profile frontal design that minimizes drag, enhancing your bike’s aerodynamics and speed. The +/-6 degree adjustable angle provides versatile handling and fit customization, making it suitable for a wide range of riding styles and preferences. Its 31.8mm handlebar clamp diameter ensures compatibility with high-performance handlebars like K-Force Light ACR Compact, SL-K ACR Compact, Energy ACR Compact, K-Wing AGX, and K-Wing AGX models.
Designed specifically for road and gravel bikes, the stem’s 30mm stack height ensures a comfortable, aerodynamic riding position ideal for endurance, race, or gravel adventures. The precise CNC-machined construction and lightweight design (235 grams) facilitate responsive steering and excellent handling characteristics.
Upgrade your bike with this stylish, black aluminum stem-perfect for riders seeking an aerodynamic edge, reliable performance, and a sleek aesthetic. Whether you’re tackling challenging gravel routes or high-speed road races, the Full Speed Ahead ACR Stem is your go-to component for optimized steering and enhanced ride quality.
Key Features:
– Aerodynamic Cable Routing (ACR) for reduced drag
– Low profile frontal area enhances aerodynamics
– Constructed from durable, lightweight 6061 T6 aluminum with chromoly hardware
– 90mm length with +/-6 adjustability for versatile handling
– Compatible with 31.8mm handlebar clamps, including high-performance models
– Clean black finish for a sleek, professional look
– Perfect for road and gravel biking applications
Enhance your cycling performance today with the Full Speed Ahead ACR Stem – engineered for speed, control, and reliability.
- Optimize your bike setup with the Full Speed Ahead ACR Stem, featuring a 90mm length and a sleek black aluminum design for lightweight durability and performance.
- Designed with Aerodynamic Cable Routing (ACR), this stem reduces drag and improves overall bike aerodynamics, making it ideal for road and gravel cycling enthusiasts.
- Constructed from high-quality 6061 T6 aluminum alloy with chromoly hardware, ensuring superior strength, corrosion resistance, and long-lasting performance under demanding riding conditions.
- Compatible with popular handlebars like K-Force Light ACR Compact, SL-K ACR Compact, and K-Wing models, this stem offers precise fitment and versatile use for racing or gravel adventures.
- Engineered with a +/-6 degree adjustable angle and a low-profile faceplate, this stem provides customized rider positioning, enhanced control, and a sleek aesthetic for competitive and recreational cyclists.
| Stem Angle (deg) | +/-6 |
| Length | 90 |
| Bar Clamp Diameter (mm) | 31.8 |
| Color | Black |
| Weight | 235 |
| Material | Aluminum |
| Defined Color | Black |
| Stack Height | 30 |
| S.H.I.S. Stem Clamp Diameter | 28.6 |






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