hmmm seat pincher.. you gotta be cool and get a bmx and slam your seat then do em!! but hey im not comlpaining at least you came up with pics!! haha
LOL... Well i've compared and my seat is just about 1/2 inch higher than most bmx seats... I dont think having a slamed seat is the only way to do ''real'' barspins. My seat isn't high enough for my knees to squeeze it, it's more of a ''stabilizer''.