- DOUBLE-SIDED SPD SYSTEM: These clip-in bike pedals are fully compatible with the Shimano SPD system, making them ideal for a variety of bikes including mountain bikes, road bikes, spinning bikes, stationary bikes, gravel bikes, hybrid bikes, e-bikes, folding bikes, and for indoor training. - DURABLE CNC TECHNOLOGY: Constructed from high-quality CNC aluminum alloy, these MTB clipless pedals are built to last. The smooth, sealed bearings ensure a quiet, seamless ride while being dustproof and sandproof, enhancing durability and performance in diverse conditions. - ADJUSTABLE CLIP IN/OUT: Featuring adjustable entry and release tension settings, these SPD pedals allow you to customize the cleat tension using the screw on the side. Easily clip in and out with confidence once you have set the tension to your preference. - EASY INSTALLATION: Designed for user convenience, these clipless pedals include clear markings—'L' for the left pedal and 'R' for the right pedal—making installation straightforward. The standard 9/16" inch screw thread fits most bike cranks, ensuring compatibility. Use Cases: 1. Mountain biking on rugged trails where secure foot placement is crucial for stability and safety. 2. Indoor cycling sessions where quick entry and exit from the pedals enhance workout efficiency. 3. Commuting on a hybrid bike, allowing for a comfortable and secure ride on mixed terrain. These features not only enhance your cycling experience but also provide the reliability you need for various biking activities.