Quantity: 1
Color: Black
Material: aluminum alloy
Mountain bike connecting rod adapter gasket reducing sleeve 27.2 turns 30.9 mm.
Features: The seat tube adapter can adjust the size of the bicycle seat tube to make it fit perfectly with your seat tube. You don't have to worry that your bicycle seat tube is too small to be inserted into the seat tube. CNC processing, surface anodized, moisture-proof and corrosion-proof. Suitable for most bicycles, such as mountain bikes, road bikes, ordinary bikes and touring bikes.