Box One Race Cassette Spacer Kits injection molded nylon / fibreglass Integrated bearing race Includes threaded

Integrated bearing race Includes threaded alloy threaded compression cap

Brian's tire needs to work well on everything

The Forever chain features mushroomed pins

8mm center bore is compatible with 19mm

Box One Race Cassette Spacer Kits injection molded nylon / fibreglass Integrated bearing race Includes threadedExtruded and CNC machined from 6061 T6 aluminum, BOX Hub Spacers feature a minimalist design that is super lightweight and extremely good looking. Weights range from 0. 2 to 0. 8 grams, depending on the size. Sold in packs of four, including two 1 millimeter and one each 3 and 5 millimeter widths, a set provides spacing adjustments from 1 to 10 millimeters. Weight 5g 0. 17oz per set.