bearister said:

Not sure how age is calculated in this table but this methodology calculates that the 77 Trailblazers were tge youngest fest champ team ever at 24.19 but using an age calculation based on Weighted Minutes methodology.
https://lgeneslaw.github.io/profile/nba/findings.html1. 1976-77 Portland Trail Blazers 24.199
2. 1955-56 Philadelphia Warriors 25.587
3. 1979-80 Los Angeles Lakers 25.710
4. 1954-55 Syracuse Nationals 25.867
5. 1951-52 Minneapolis Lakers 25.940
6. 1970-71 Milwaukee Bucks 26.049
7. 1974-75 Golden State Warriors 26.386
8. 2014-15 Golden State Warriors 26.393
9. 1952-53 Minneapolis Lakers 26.485
10. 1956-57 Boston Celtics 26.556
The following are the oldest teams to have won an NBA championship:
Championship Team Weighted Age (WAGE)
1. 1997-98 Chicago Bulls 32.096
2. 2010-11 Dallas Mavericks 31.607
3. 1968-69 Boston Celtics 30.914
4. 1996-97 Chicago Bulls 30.790
5. 2006-07 San Antonio Spurs 30.759
6. 1995-96 Chicago Bulls 30.526
7. 1998-99 San Antonio Spurs 30.090
8. 2012-13 Miami Heat 30.077
9. 1967-68 Boston Celtics 30.033
10. 2013-14 San Antonio Spurs 29.617