Seat Tube SizeUpdated 20 days ago
In BMX there are a few different Seat Tube Sizes. This is the "hole" that your Seat Post inserts into. Your Seat Post needs to be the same size as your seat tube.
- 22.2mm
- 25.4mm
- 25.4mm Aero
- 27.2mm
- 27.2mm Aero
- 31.6mm
*Nearly all aftermarket Freestyle Frames will run a 25.4mm.
*Aero Seat tubes will only work with Aero Posts