Originally Posted by fleslider

My 85 was also updated to Aero Levers they were Aero Gran Compe's they should be non Aero Shimano 600 levers (which it will be going back to) the rear derailleur was also changed to a 600 tricolor. the bars and stem were also changed, the bars were newer 2000'ish era bars. The Aero levers were a common change when they came out in 1986ish. it was the thing to do.

For yours having tri bars i would suspect that yeah they changed the brake levers when they put the Tri bars on. not sure how well a non aero brake lever would function with Tri bars.