The Black FSA Energy Left Crank Arm is a high-quality and durable bicycle component made by FSA. With a length of 172.5mm, this hollow forged crank arm is specifically designed for double chainrings. The sleek black color adds a stylish touch to your bike, while the FSA Energy model ensures top-notch performance and reliability. Whether you are a professional cyclist or a recreational rider, this crank arm is a essential part of your cycling gear.