I use these. Bought on Amazon and they work fine. They have real glass mirrors and aluminum bodies. And only cost $10.77 Search ASIN # B0756XRSLY or
XMT-MOTO Universal 3" Round 7/8" 22mm Handle Bar End Rearview Side Mirrors For Motorcycle
Here's what mine look like
I had a Victory Empulse TT (all electric) before I got my FTR. Loved the bike. Little maintenance, instant torque, super quick and a real attention grabber. The range made it impractical as a primary bike. But e-bikes are a blast. Sorry to hear yours got stolen. That sux