Upper Compression Ring in Plastic with Internal Cable Routing – Tarmac SL8
Original replacement for HDS SUB headset – Tarmac SL8
The Upper Bearing Split Compression Ring in plastic is an essential component for the HDS SUB headset of Tarmac SL8 bicycles. Designed to ensure the correct tightening of the upper bearing, this plastic ring features ports for internal cable routing, compatible exclusively with Tarmac SL8 frames.
Its height of 9 mm makes it perfectly sized for the upper headset housing, ensuring stability, durability, and full compatibility with your bike's integrated steering system.
Technical specifications:
Compatibility: Specialized Tarmac SL8 bicycles
System: HDS SUB headset
Component: Upper compression ring (Upper Bearing Split Compression Ring)
Material: High-strength plastic
Function: Upper bearing compression + internal cable routing
Cable routing: Integrated ports for internal cables
Height: 9 mm
