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S&M Fat Pivotal Seat Seat

Seat: Drivetrain system pivotal. 1 verified variant.

What the checker says7will not fit

Run variant by variant through the BMX builder’s own engine. Every sentence below is the checker’s, unedited. Nothing here says this part fits your bike; it says what it does and does not fit among the parts we hold.

Checked against 640 verified BMX parts in this catalog. 633 produced no finding of any kind.

Will not fit

  • Will not fiterror · SeatpostSeat/post mismatch: S&M Fat Pivotal Seat is a pivotal seat and Box Two Alloy Seat Post (26.8mm) is a standard post - these systems do not interchange. On 1 of the 36 verified seatposts in this catalog.
  • Will not fiterror · SeatpostSeat/post mismatch: S&M Fat Pivotal Seat is a pivotal seat and Fly Bikes Motosierra Rail Post is a standard post - these systems do not interchange. On 1 of the 36 verified seatposts in this catalog.
  • Will not fiterror · SeatpostSeat/post mismatch: S&M Fat Pivotal Seat is a pivotal seat and Fly Bikes Tripod Post is a standard post - these systems do not interchange. On 1 of the 36 verified seatposts in this catalog.
  • Will not fiterror · SeatpostSeat/post mismatch: S&M Fat Pivotal Seat is a pivotal seat and Odyssey Tripod Seat Post is a standard post - these systems do not interchange. On 1 of the 36 verified seatposts in this catalog.
  • Will not fiterror · SeatpostSeat/post mismatch: S&M Fat Pivotal Seat is a pivotal seat and S&M Old School Layback Seat Post is a standard post - these systems do not interchange. On 1 of the 36 verified seatposts in this catalog.
  • Will not fiterror · SeatpostSeat/post mismatch: S&M Fat Pivotal Seat is a pivotal seat and Salt SaltPlus HQ CNC Rail Seat Post is a standard post - these systems do not interchange. On 1 of the 36 verified seatposts in this catalog.
  • Will not fiterror · SeatpostSeat/post mismatch: S&M Fat Pivotal Seat is a pivotal seat and The Shadow Conspiracy Railed Seatpost 200mm is a standard post - these systems do not interchange. On 1 of the 36 verified seatposts in this catalog.
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.

$44.95 MSRP·340 g

What the maker states1 stated
  • Drivetrain system pivotal.

Source: the maker’s page. Last checked 2026-07-31.

Checked against

The checker ran this model against every verified part below that it has a slot for, the same way it checks a build in the builder. What follows is the verdict it actually produced for that specific pairing — not a recommendation, and not a guarantee any of these parts fits your own bike.

6 of 499 counterparts with a page of their own that the checker actually probed this model against, in alphabetical order by brand and model — never by price, popularity or the verdict itself.

Where this sits

All S&M seatsOpen a variant in the builder to see the ones that apply to your own parts