Can I get it the 43"single row Ultrathin and Ultralight light bar with a black reflector?

Hello, sorry for your inconvenience, this kind of light bar could not add a black reflector. There is another 43" Single Row Cree Led Light Bar and it can add a black reflector. Would you like to consider it, order link: https://www.vividlightbars.com/collections/k-series-single-row-slim/products/43-slim-off-road-led-light-bar

What’s the Lumen output?

Hello, thanks for your inquiry. This lights 1W lumens value is 140 lumens.For example, the 31'' 90W lumens is 12600 LM.