You can find all the replacement parts and components you need for your Giant bike at Escapa.
The 2020 Giant SLR1 Cassette Core Kit SRAM XDR 12S is an original Giant replacement part for the 2022–21 SLR1 wheels
The2020 Giant SLR1 Cassette Body Kit with SRAM XDR 12Sis an original Giant replacement part for the 2022–21 SLR1 wheels