FSA

Energy Chainring, 39T, 90BCD, 11-speed

Upgrade your road double drivetrain with the FSA Energy Chainring, a 39T inner ring designed for seamless integration in 53/39T setups on 11-speed road bikes. CNC-machined from AL7075 aluminum with a black anodized finish, this chainring delivers lightweight durability (~40g) and precise shifting for competitive and recreational riders. The 90mm BCD 4-bolt design ensures compatibility with FSA Energy, SL-K, and K-Force cranksets, as well as select Shimano and SRAM 11-speed systems. Optimized for smooth transitions with ramped and pinned teeth, it's ideal for pairing with a 53T outer ring to tackle varied road conditions with efficiency and reliability.

Key Features:

• Precision CNC AL7075 Aluminum: Lightweight (~40g) and durable with black anodized finish
• 39T Inner Ring: Perfect for 53/39T standard double setups for road racing
• 90mm BCD 4-Bolt Mount: Fits FSA Energy/SL-K/K-Force cranksets for secure installation
• 11-Speed Compatibility: Optimized for Shimano, SRAM, and FSA 11-speed drivetrains
• Ramped and Pinned Design: Ensures smooth, precise shifts under load
• Corrosion-Resistant: Built for long-term performance in diverse conditions