Shimano 28 Hole Available Shimano/SRAM 11 Speed Road 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."
The hub drilling is the number of spoke holes. It must match your rim spoke count.
These models are available for online purchasing and can be shipped directly to you.