Seat Tube Adapter Alloy 31.6mm 30.9mm Saddle Size

Description:

- Custom sleeve to space 30.9 or 31.6 seatpost to larger or smaller seat tubes

- High quality aluminium alloy material,high strength, lightweight and solid enough

- To change your seat post size easily with this bushing without changing seatpost

- Full CNC precision machining with smooth edges 't hurt your finger

- Suitable for bike, mountain bike, road bike etc.

Specification:

- Material: Aluminium Alloy

- Color: Black

- Length: 60mm/2.36 inch

- Inner Diameter: 30.9mm

- Outer Diameter: 31.6mm

Package Includes: 1 Piece Bike Seatpost Adapter