Ultra Light Aluminum MTB Road Bike Ebike Bicycle Seatpost Clamp Double Screws Made from materials for durability and long service life Ultralight, strong aluminum alloy construction for reliable performance without adding significant weight Anodized finish resists rust and provides a durable, attractive color Double screw design delivers secure clamping and even pressure on the seatpost Compatible with seat tubes outer diameters of 4/30.8/30.9/31.6/31.8 mm Benefits and applications Improves seatpost retention on rough terrains and during intense riding, reducing the chance of seat slip Facilitates secure and repeatable height adjustments with reliable clamping force Lightweight design ensures minimal impact on overall bike weight while maintaining strength Use scenarios Mountain biking on technical trails where a strong, slipresistant seatpost is essential Road or gravel riding requiring quick, repeatable seat height adjustments during long trips Ebike or daily commuter setups that demand dependable seatpost clamping under varying loads Compatibility and performance Designed for standard seat tubes within the specified outer diameter range Provides a robust, corrosionresistant clamp solution suitable for MTB, road, and Ebike applications