Range_20T x 3/32`

Origin8 TorqLite Single Speed Cassette Cog 20T x 3/32` COG OR8 TORQ LITE fSGL SPD CASS 20Tx3/32 Splined, hardened chromoly construction Optimized for strength and durability Designed for Shimano/SRAM splined style cassette bodies ZERO-FLEX taper base design