Durable construction for longlasting performance in daily cycling. Saddle rail compatibility: designed for 7x9mm and 7x10mm saddle rails; provides a secure, precise connection that prevents saddle slip and delivers a stable seating experience. Compatibility: suitable for bicycles equipped with 7x9mm or 7x10mm saddle rails; a versatile and convenient accessory that fits a wide range of bike models. Easy installation: simple to install with standard screws; no complicated tools or procedures required; tighten the screws to secure the clamp and ride. Secure and stable grip: the 7x9mm/7x10mm steel rails provide a tight, stable grip between the seatpost and saddle rails, enhancing overall stability and safety. Use scenarios: Road bikes with 7x9mm or 7x10mm rails requiring a reliable saddle clamp for long rides. Mountain or gravel bikes needing a secure saddle mounting on rough terrain. Replacement or spare clamp for bikes that use standard 7x9mm/7x10mm rails.