Used Shimano PD-M520 Double-Sided SPD Clipless MTB Pedals in Black are a high-quality set of bicycle components designed for mountain biking. These pedals feature a 9/16 inch pedal axle size, a durable aluminum construction, and a sleek black color. The double-sided SPD design allows for easy engagement and release, while the clipless feature provides added stability and control during rides. Compatible with most universal bike types, these Shimano pedals are a reliable choice for any cyclist looking to upgrade their equipment for optimal performance on the trails.