Lighter than the equivalent length thompson, very strong
(I used to ride one on my bmx and I break shit real easy!), and reasonably priced, plus the fact that it uses a standard clamp system means you can fit any ol seat, pivotal posts are real good but it means your choice of seat is restricted only to seats that fit that propietary system.
If you can get away with a pretty short post, I recommend one of these: http://www.alansbmx.com/product_info.php?cPath=32_58&products_id=2070&osCsid=a38b53dd5b0c292694adfb29868b8b16
Lighter than the equivalent length thompson, very strong
(I used to ride one on my bmx and I break shit real easy!), and reasonably priced, plus the fact that it uses a standard clamp system means you can fit any ol seat, pivotal posts are real good but it means your choice of seat is restricted only to seats that fit that propietary system.