Quick Release Bike Seat Clamp 38.1mm/40mm/40.8mm - Adjustable Aluminum Alloy Seat Post Clamp for Cycling - Secure & Easy Height Adjustment (40.8mm Black) - Perfect for Mountain Bikes, Road Bikes & Commuter Bicycles

Made of alloy material, durable and rust-resistant,has a long service life.Convenient design, simple installation.Size:38.1/40/40.8mmPackage included:1pc of quick releaseType : Bicycle Seatposts ClampsMaterial : Aluminum/AlloyUse : Mountain BikesOrigin : Mainland ChinaName : Bike Clamp Quick ReleaseColor : black colorCompatible with : Bike seat post clamp,Wooden clamp.Assemble position : Bike seat post clamp.Inner diameter Length : 38.1/40/40.8mmNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.