Brendan Taylor and Peter Moor are propelling Zimbabwe after losing two quick wickets in the first hour of the second session at Sher-e-Bangla National Cricket Stadium in Mirpur on Tuesday.
The duo has made 134 runs partnership so far.
Meanwhile, both the batsmen struck half-century. Taylor was not out on 80 off 154 balls thanks to seven fours while Moor scored 64 off 92 balls thanks to 10 fours and a single over boundary.
Bangladesh left-arm spinner Taijul Islam bagged four wickets.
Till the filing of this report, the visiting side scored 241 for the loss of five wickets in 85 overs.