The Troy Lee Designs A1 Helmet Replacement Visor will happily fit either the TLD A1 Classic MIPS Helmet or the TLD A1 Drone Helmet. It's therefore available in a range of attractive Classic and Drone shades, to match your existing A1 helmet and help it to continue to offer top-class protection. Easily adjustable, it will shield your eyes from the mud, rain and wind you encounter on your ride.