No no no... I meant, when the tire is up high like during a wheelie, it feels way less stable than the original tire did. It's harder for me to control the sideway motion of the bike as I go down the street. I never had that problem before. As far as the tire pressure goes I assumed it was the same as my previous tire... 35 lbs... I can't check it right now cause my friend's got the pressure checker gauge.