Raleigh Seat Post Adjustable Shim 27.2mm Seat Post

Designed for practical compatibility, the Raleigh Seat Post Adjustable Shim helps adapt a 27.2mm seatpost to fit seat tubes with less common internal diameters. It’s a straightforward solution when your frame’s seat tube doesn’t match the size of your existing seatpost, allowing you to achieve a secure fit without changing your seatpost size.

Made to work specifically with a 27.2mm seatpost, this adjustable shim covers an adjustment range from 29.6mm to 31.8mm diameter, making it suitable for a variety of seat tube sizes within that span. Ideal for bike builds, repairs, or upgrades where matching components can be challenging, it offers a simple way to bridge sizing differences while keeping your setup consistent.

Key features

• Adjustable seat post shim for adapting seatpost fit
• Designed for use with a 27.2mm seatpost
• Adjustment range from 29.6mm to 31.8mm diameter
• Helps suit more obscure seat tube diameters