For the assembly of Vinci stem on some bikes is required specific plug spacer (Colnago C64 Disc & V3RS Disc) or insert (BMC, Cervélo and Giant).
For the assembly of Vinci stem on some bikes is required specific compression ring: Bottecchia Emme4 (HDCOMPRDCRBOT); Dare VSRu (HDCOMPRDCR-DA); Merida Scultura (HDCOMPRDCR-ME); Bianchi Oltre Race, Sprint - Focus Izalco Max - Rose Xlite, Reveal, Backroad; Superior X-Road GF (HDCOMPR-ACROSX).
For Orbea, Specialized, Cannondale and Trek a specific adapter is required. It must be assembled as a first spacer under the stem.*For Tarmac SL8 you must use the adapter + original topcover & spacers kit of SL7 oem stem.
In case of Ridley and Colnago V3 (MY23) for internal cable routing, we recommend to purchase separately the following top cap for D-Shape forks: HDVCNTPA.