Seat Post Sizing Rods

Use to check the seat tube for the correct size seat post
31.6 mm to 25.4 mm range of sizes
Precision machined to exacting tolerences
Sizes engraved directly on the surface

This pair of gauge rods can quickly determine the size of seatpost to be used to fit a frame tube. The range of sizes include the most popular seatposts from 25.4 mm up to 31.6 mm. The sizes are engraved on the precision machined sureface for quick determination of the size.