Features1Aluminum Alloy Body: Pedal features a sturdy aluminum alloy body along with a standard 9/16 inch LOR Mo steel axle bearing, suitable for most road cyclings. 2Effortless Riding Experience: The road lock pedals and cleats set helps riders pedal forward in a more effortless manner, especially when climbing uphill, ensuring a more stable and efficient ride. 3Enhanced Safety: The road lock pedals help riders secure their feet in position, reducing the risk of body weight shifting due to frequent foot slippage, ensuring a safer riding experience. 4Seamless Compatibility: Compatible with for WELLGO lock shoes for SPD system, the pedals are marked with L or R for left and right pedals. You can install using the included hex wrench by turning the left pedal counterclockwise and then the right one clockwise 5Professional Riding Experience: Whether you're a seasoned rider or a beginner, having these professional self lock pedals will enhance your biking experience, allowing you to enjoy the thrill of riding and embrace the cycling lifestyle.SpecificationItem Type: Road CyclingLock PedalMaterial: Aluminum alloy body + LOR Mo steel shaftLock Plate: Self matching lock plateBearing: DU + Bearing PedalPackage List2 x Pedals16 x Accessories1 x Instruction Manual