Description: Made of aluminium alloy material,lightweight and durable. Inner diameter is 25.4mm/1.0inch;outer diameter is 27.2mm/1.07inch, Use this seatpost sleeve adapter ring, you can use 25.4mm seatpost on your 27.2mm bike seatpost. Full CNC precision machining,anti-slip. Suitable for MTB bike, mountain bike, road bike etc. Specification: Material: aluminium alloy Color: Black Size:65 x 30 x 30mm/2.6 x 1.2 x 1.2inch Inner diameter is 25.4mm/1.0inch outer diameter is 27.2mm/1.07inch Package Includes: 1 Piece Seat Post Tube
