The Easton EC90 SL crank arms are designed for high-performance cycling, offering exceptional mud shedding and chain retention capabilities that make them ideal for a variety of riding conditions. These crank arms are made with high-end carbon fiber materials that provide exceptional stiffness and durability while also being incredibly lightweight. With a hollow core construction and a wide range of compatible chainring sizes, these crank arms are perfect for cyclists looking for an ultra-lightweight, high-performance solution for their road or mountain bike. The advanced manufacturing process used to create these crank arms ensures that they are both strong and durable, making them a reliable choice for even the most demanding cycling applications.