The new PG-1070 cassette offers an innovative approach to 10-speed cassette design. This cassette's performance is optimized by tooth profile and shift ramp design for quick and positive index shifting. It features a semi-spidered design that maintains a high level of shifting performance with a matched cassette/chain combination. Available gearing options include 11-23t, 11-25t, 11-26t, 11-28t, 11-32t, 11-36t, 12-25t, 12-26t, 12-27t, 12-28t, 12-32t, and 12-36t. The cog finish is silver, and it utilizes PG technology. The sprockets are on a spider design, and the lock ring is made of forged 7000 series alloy. Sprockets are made of heat-treated steel. Recommended chains include PC-1091R, PC-1091, PC-1071, PC-1051, and PC-103. This cassette is recommended for SRAM Force and SRAM Rival groups.