Shimano 36 hole Silver Roller Brake Bicycle Front 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.
We define color as the main color of the item. It may have accents or highlights in other colors.
This should correspond to the type of brakes you have on the bike.