Hey can anyone tell me on the squid adler stage at the end of the bike ride where x shoots energy shots at the door .
How do I get the door open and whats behind the door. Also
where do i get the flying armor and where do i get the parts to jump Hi?

You must pick up all of the blue orbs while riding the bike to get the door open. There's a capsule on the other side that provides you with one of the parts for the Falcon Armor. The other pieces can be acquired in Duff McWhalen's, Izzy Glow's, and Grizzly Slash's stages.

To get the part that allows you to jump high, you must defeat The Skiver when he has a level of eight or higher. A Maverick's level is determined by the number of hours remaining and your character's rank. Few hours and a good rank mean a higher level.