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S&M Seatpost
2 models, 2 verified variants. Only rows checked against S&M’s own page are listed; each links into the BMX builder.
- S&M Long Johnson Stealth Pivotal Seatpost (1 verified variant)
25.4 mm diameter · Drivetrain system stealth - S&M Old School Layback Seat Post (1 verified variant)
22.2 mm diameter · Drivetrain system standard
The checker compares the dimensions listed in what we check, and what we don’t. “No conflicts found” means no conflict among those dimensions — not a guarantee that a build works. Errors mean it won’t fit; warnings mean it works but check; infos are notes.