This top cap adapter has been designed to use Switch stems and spacers with Wilier frames.
About the Ritchey Switch System
The Ritchey Switch System is an innovative integrated system designed to easily conceal internally routed cables, wires, and hydraulic lines from the handlebar into bicycle frames with straight 1.5″ head tubes together with tapered 1-1/8″ – 1.5″ forks. The Switch System consists of three elements:
- Switch Stem
- Switch Headset
- Switch Spacers
Check out the Switch System page for more information.
