Product Description: Specification: SPD mountain bike lock step lock piece; SPD mountain bike lock step lock piece + wrench Material: chrome molybdenum steel body, stainless steel fittings Set includes: SPD steel buckle 2; stainless steel locking screws 4; buckle splint 2; retrofit, stainless steel gasket 2 Net weight: 60 g/set Color (spanner): Black, silver Quantity: 1 set Improved cycling performance-Upgrade your mountain biking game with SPD Cleats. The cleats offer a secure and efficient connection between your shoes and pedals, allowing for better power transfer and control on all terrains. Versatile compatibility-Designed for versatility, these SPD Cleats work well with various mountain biking shoe brands, ensuring a secure fit and maximum performance. Durable and reliable-Made of high-quality materials, these SPD Cleats are built to last. They can handle tough mountain biking environments and offer reliable, long-lasting performance. Easy to install-With a simple installation process, these SPD Cleats can be easily attached to your mountain biking shoes. You'll be up and riding in no time Customizable fit-Featuring adjustable springs, these SPD Cleats provide a customizable fit, ensuring optimal comfort and performance for your unique biking style.