Shimano Shimano MicroSpline HG+ 12mm Thru x 157mm 32 Hole Bicycle Rear Hubs
About Shimano - "Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."
12 x 157 axles are often called "Super Boost"
The hub drilling is the number of spoke holes. It must match your rim spoke count.