The Speedplay Clipless Pedals with Stainless Spindles are designed for road bikes, time trial/triathlon bikes, universal bikes, hybrid bikes, tandem bikes, racing bikes, and touring bikes. These pedals feature sealed cartridge bearings, a 9/16 inch spindle diameter, and a red color. Made in the United States by the brand Speedplay, these pedals are a high-quality and durable option for cyclists looking for clipless pedals without the need for cleats. The set includes two pedals, making them a convenient and stylish addition to any bike.