Bike Seatpost Clamp Quick Release Bicycle Seat Clamp Aluminium Alloy Tube Clip for Road Bike Casual Bike,Multiple Colors 28.6mm,31.8mm,34.9mm (31.8mm, Blue) - Addmotor

• 28.6mm clamp suits for frame seat tube 27.8mm-28.8mm / 31.8mm clamp suits for frame seat tube 30.2mm-32.1mm / 34.9mm clamp suits for frame seat tube 33.5mm-35.2mm. Convenient - The bicycle quick-release seat post clamp is convenient and safe to add some beautiful color to your ride, and makes adjusting seat post height a breeze. Installation - Easy to install and use, seatpost clamp with long quick release lever for added clamping force and is ideal for quick and easy adjustments.You can adjust your bike seat anytime, anywhere. Lightweight Material - Aluminum alloy, anti-oxidation,the finish is anodized and has somewhat of a matte appearance,durable.Two strong sleek retaining bolts ensure it is double sturdy and firm. Perfect Accessory - The clamp is a great accessory for any style of bike. Suitable for all kinds of bike,mountain bike ,folding bike,track bike,fixedgear,road bike，casual bike and so on.Please double measure your outer seat post diameter to get the right size.