Shimano Shimano MicroSpline HG+ 12mm Thru x 157mm Black 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"
We define color as the main color of the item. It may have accents or highlights in other colors.