Sturdy & Durable: The bike seat post clamp ensures high sturdiness and durability with superior aluminum alloy materials, makes riding easier, even long-distance bike rides. This seatpost clamp is tight and firm, keeping your . Measure Before Use: Bicycle seat clamp 25.4mm diameter has gone through precise CNC treatment, with accurate size. Please take measurement of the bike tube, suitable for Balance Bike 22.2mm/0.87inch Seat Tube. Adjustable & Effective: Re-adjust the seatpost clamp means you don't have to carry or mess with a Allen wrench when you stop riding. Adjusting the clamp height whenever needed is really convenient and effective. Bicycle accessory: The quick-release bicycle seat tube clamp is durable, lightweight, and can easily adjust the height of the seatpost. It is an excellent accessory for bicycles and can provide you with a comfortable riding experience. Easy to Install: Aluminum alloy bike seatpost clamp is easy to install and use, providing easy locking and releasing. No more tools needed, you can install it by yourself, which is simple and can bring better experience for you.