SPECIALIZED Collar 2.5 mm Top Set Screw Future Shock Headset

HDS sub, future shock headset, collar assy, 2.5mm top set screw (m5x0.8px6mm). Compatibility: - 2019, ROUBAIX, ROUBAIX BASE - 2019, ROUBAIX, ROUBAIX BASE HYDRO - 2019, ROUBAIX, ROUBAIX COMP - 2019, ROUBAIX, ROUBAIX COMP UDI2 - 2019, ROUBAIX, ROUBAIX EXPERT UDI2 - 2019, ROUBAIX, ROUBAIX SW DI2 - 2019, ROUBAIX, ROUBAIX SW FRMSET - 2019, RUBY, RUBY BASE - 2019, RUBY, RUBY BASE HYDRO - 2019, RUBY, RUBY COMP - 2019, RUBY, RUBY COMP UDI2 - 2019, RUBY, RUBY EXPERT UDI2 - 2019, RUBY, RUBY SW DI2 - 2019, SIRRUS MEN, SIRRUS MEN EXPERT CARBON - 2019, SIRRUS MEN, SIRRUS MEN EXPERT CARBON USA - 2019, SIRRUS MEN, SIRRUS MEN PRO CARBON - 2019, SIRRUS MEN, SIRRUS MEN X COMP CARBON - 2019, SIRRUS WMN, SIRRUS WMN EXPERT CARBON - 2019, SIRRUS WMN, SIRRUS WMN X COMP CARBON - 2018, ROUBAIX, ROUBAIX COMP - 2018, ROUBAIX, ROUBAIX COMP SAGAN COLLECTION - 2018, ROUBAIX, ROUBAIX ELITE - 2018, ROUBAIX, ROUBAIX EXPERT - 2018, ROUBAIX, ROUBAIX EXPERT UDI2 - 2018, ROUBAIX, ROUBAIX EXPERT UDI2 8070 - 2018, ROUBAIX, ROUBAIX PRO - 2018, ROUBAIX, ROUBAIX SPORT - 2018, ROUBAIX, ROUBAIX SW DI2 - 2018, ROUBAIX, ROUBAIX SW DI2 SAGAN COLLECTION - 2018, ROUBAIX, ROUBAIX SW ETAP - 2018, ROUBAIX, ROUBAIX SW FRMSET - 2018, ROUBAIX, ROUBAIX SW FRMSET SAGAN SUPERSTAR - 2018, ROUBAIX, ROUBAIX SW MCLAREN Di2 - 2018, ROUBAIX, ROUBAIX SW RIM FRMSET - 2018, RUBY, RUBY COMP - 2018, RUBY, RUBY ELITE - 2018, RUBY, RUBY EXPERT - 2018, RUBY, RUBY EXPERT UDI2 - 2018, RUBY, RUBY SPORT - 2018, RUBY, RUBY SW ETAP - 2018, SIRRUS MEN, SIRRUS MEN EXPERT CARBON - 2018, SIRRUS MEN, SIRRUS MEN PRO CARBON INT - 2018, SIRRUS WMN, SIRRUS WMN EXPERT CARBON INT - 2017, ROUBAIX, ROUBAIX COMP - 2017, ROUBAIX, ROUBAIX ELITE - 2017, ROUBAIX, ROUBAIX EXPERT - 2017, ROUBAIX, ROUBAIX PRO UDI2 - 2017, ROUBAIX, ROUBAIX SW BOONEN FRMSET - 2017, ROUBAIX, ROUBAIX SW DI2 - 2017, ROUBAIX, ROUBAIX SW FRMSET - 2017, RUBY, RUBY COMP - 2017, RUBY, RUBY ELITE - 2017, RUBY, RUBY EXPERT - 2017, RUBY, RUBY EXPERT UDI2 - 2017, RUBY, RUBY PRO UDI2