Substitute Omar Spence spared Bromsgrove's blushes with an injury time equaliser.
Out of sorts Rovers were made to change their line up with Rapinder Gill replacing the missing Jemiah Richards.
An uninspiring first half performance saw only a Josh Mckenzie half chance created by Rovers after 30 mins.
Bedworth dominated the play and but for poor finishing could have easily taken a half time lead, Ashley Robinson and Jason Moore the main culprits.
The deadlock was finally broken in the 53rd minute,when Matty Blair's right wing cross was powerfully headed home past Lewis by Moore at the far post.
Manager John Snape pulled off his starting forwards Mckenzie and Dexter Ravenhill, putting on Spence and Danny Campbell.
This livened up the Rovers attack, but Bedworth should have doubled their advantage in the 70th minute when Robinson shot weakly straight at Lewis from a good position.
For Rovers, Kevin Banner latched onto a loose ball and sent a rasping shot that just cleared the bar.
Danny Edmonds went close for Bedworth, just beating the post from an acute angle.
Then in time added on, Spence gathered the ball on the edge of the area and beat Andy Kemp with a low shot that found the bottom corner of the goal.
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