About the product
Seatpost Adapter 30.9 mm to 27.2 mm
The seatpost adapter allows you to use a 27.2 mm seatpost in a bicycle frame designed for a 30.9 mm seatpost diameter. It provides a secure and practical solution when fitting a narrower seatpost to a larger seat tube.
Technical specifications
Type: Seatpost adapter
Inner diameter: 27.2 mm
Outer diameter: 30.9 mm
Length: 80 mm