You can find all the original replacement parts you need at Escapa
My21 Tarmac SL7 Seatpost Clamp
This item is used on the following models:
2021 Tarmac Tarmac SL7 10R FRMSET
2021 Tarmac Tarmac SL7 EXPERT
2021 Tarmac Tarmac SL7 EXPERT UDI2
2021 Tarmac Tarmac SL7 Pro ETAP
2021 Tarmac Tarmac SL7 Pro UDI2
2021 Tarmac Tarmac SL7 SW DI2
2021 Tarmac Tarmac SL7 SW Di2 SAGAN COLLECTION
2021 Tarmac Tarmac SL7 eTap ETAP
2021 Tarmac Tarmac SL7 SW FRMSET
2021 Tarmac Tarmac SL7 SW FRMSET CELEBRATION
2021 Tarmac Tarmac SL7 SW FRMSET SAGAN COLLECTION