SRAM NX 12sp Cassette 10-50t, PG-1230 at BikeCo.com
SRAM PG1230 12spd cassette loose. I have a spacer after the largest three cogs and between each individual cog except the smallest two. I've tightened the lockring down as much as I
SRAM PG-1230 NX Eagle 12-Speed Cassette - Black for sale online | eBay