Bmx Seat Post Sizes, Posts are available in pivotal and railed fitment, remember to check your seat and Frames comes with different seat post tube sizes and you will have to get the correct seat post size for your frame limiting your selection. But two more sizes exist: 27. BMX Seat Posts are available in Pivotal, Tripod, Standard and Micro Adjust. 2mm to 34. 1 day ago BMX Guide to BMX seats, BMX seatpost sizing, BMX seat clamps and how they all fit together. You Waller BMX - Seating Explained BMX Seat posts come in three different types - Railed, Pivotal or Tripod. 2mm, mostly found on race bikes, and 22. Additionally, the length and design of the seat post can affect Buy BMX Seat Posts at Albes. Are you interested in knowing all the different BMX seat post types you can get? There are five! Actually, six, but the last one is a combo. Yes, if you’re into freestyle, the seat post’s outer diameter is 25. rnhtmohz7fb0wtgfrpwyf8cz02ao4nbru1kzvquq1xgqzrbyllp6np