Campagnolo Record ExaDrive 8sp NiCr cassette, 12-23 Cassette Body Type: Campagnolo 8Cassette Cogs: 12,13,14,15,17,19,21,23Cassette Color: NiCrCassette/Cog Color: BlackCassette/Cog Color: SilverCassette/Cog Range: 12-23tChain Compatibility: 3/32"Cogs: 12,13,14,15,17,19,21,23Drivetrain Spacing: Campagnolo 8Speeds: 8spWeight: 265gWeight: 266g