Industry Nine 12 mm Thru x 142 mm Shimano/SRAM 8/9/10; Shimano Dynasys 11 40 Hole In Store Bicycle Rear Hubs
About Industry Nine - "Industry Nine hubs are handmade in Asheville, NC"
This is hub spacing and is the width of the hub. It must match your frame specifications.
The cassette body type is the type of cassette and number of speeds the hub will accept.
The hub drilling is the number of spoke holes. It must match your rim spoke count.
In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.