Dilwe Bike Tube Seatpost Adapter, Aluminum Alloy Adapter 27.2mm Bicycle to 28.6/30/30.4/30.8/31.6/33.9mm(27.2 turn 30.0mm)

[PREMIUM MATERIAL]: The bike tube seatpost adapter is made of aluminum alloy and has a specially treated for long lIfe, corrosion and rain erosion resistance. [DIFFERENT SIZES]: The bike tube seatpost adapter is equipped with different sizes of adapter rings, you can change the bike seat tube to the size you want. [WEAR RESISTANT]: The collar design of bike tube seatpost adapter is more wear-resistant and can be used for a long time. The triangular design makes it more slip-resistant. [SUITABLE FOR]: The bike tube seatpost adapter is suitable for most mountain bikes, road bikes, etc. [SERVICE GUARANTEE]: If you are not satisfied with our bike tube seatpost adapter received, you can apply for unconditional return and refund within 180 days. In terms of any problem of this product, you can send emails to us at any time. We will reply you as soon.