RockShox SID 35 mm Select/Select /Ultimate Spare Parts (C1 / 2021)

Models: U1 / 120 mm:Damper Upgrade Kit for SID (C1 ) 2021 ; Charger Race Day Remote, 35 mm, max. 120 mm travel; includes complete right side internalsManufacturer Number: 00.4020.546.003 U2 / 120 mm:Damper Upgrade Kit for SID (C1 ) 2021 ; Charger Race Day