FSA - ACR CONE SPACERS / TOP COVERS Option:ACR Top Cover - Suits Cervelo Caledonia & FSA/Vision ACR Stems | FS160-0173000110 As with all Park Tool

As with all Park Tool Taps

When installed on Zipp butyl tubes with 37mm valves

support and durability to match the intended use of each individual saddle

Mounting is fast and secure with our award-winning quick-release cleat system

you can keep your tires out of the landfill for longer

FSA - ACR CONE SPACERS / TOP COVERS Option:ACR Top Cover - Suits Cervelo Caledonia & FSA/Vision ACR Stems | FS160-0173000110 As with all Park ToolBike model specific top covers to be used with FSA's ACR system for fully integrated cable routing. Provides a seamless transition from your ACR stem to the frame. Lead times for Special Order versions can vary, but are typically 4 6 weeks.