Shimano Center-Lock Disc 28 hole Available 12mm Thru x 100mm Bicycle Front Hubs
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This should correspond to the type of brakes you have on the bike.
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.
This is hub spacing and is the width of the hub. It must match your fork specifications.