Klein attatude i need help finding its age, help please,

[tinker]

Hi everyone i dont know how to make sence of all the numbers on the BB
and was hoping someone could please help me understand them so i can then find out its age EXT, I think its one of the last ish they did as its got the disc mounts origanal hollow tech, and the frame feels as thin as a tin can.
Can you help me please??

BB SERIAL NUMBER
250T65681B
TWR0645777
T LRG

4026U065TB1

Tinker