The new Power Glide 1170 11-36 Cassette expands riding possibilities of SRAM 1X Force CX1 drivetrains. The new cassette provides riders using the SRAM Force CX1 1x 11 groupset the gearing options needed for challenging climbs, fast descents or sprints & everything in between. The PG 1170 11-36 Cassette with its 36-tooth cog offers 13 percent lower gearing than the 32-tooth cog on the Wi F Li 11-32 cassette option. The PG 1170 11-36 Cassette is compatible only with the Force CX1 Medium Cage Rear Derailleur featuring X-HORIZON straight parallelogram shifting. This cassette is 11-speed road wheel compatible.