I am offering this original top compression washer (transition spacer) for the integrated cockpit of the Bianchi Oltre. Unlike classic preload spacers, this ring is the mandatory final element that sits at the top of your stack of spacers (or directly on the stem). Its design is doubly critical: it provides a perfectly flat bearing surface for the compression bolt (which screws into the expander), and it is designed to receive the finishing cap, thus ensuring aero alignment and total sealing of the headset system.

📋 TECHNICAL SPECIFICATIONS:
Brand: Bianchi (Original Spare Part).
Type: Top fi...