Casette CASSETTE SRAM NX EAGLE PG-1230 11-50 12 SPEED CASSETTE SRAM NX EAGLE PG-1230 11-50 12 SPEED part name: Casettepart make model: CASSETTE SRAM NX EAGLE PG-1230 11-50 12 SPEEDCASSETTE SRAM NX EAGLE PG-1230 11-50 12 SPEEDbike part approved: