Shimano QR x 135 mm Silver 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."
This is hub spacing and is the width of the hub. It must match your frame specifications.
We define color as the main color of the item. It may have accents or highlights in other colors.