Hidden weight savers!
The UltraBottom headset lower part is a part of the Extralite modular headset lineup. These parts are extremely light and easy to configure on virtually any frame.
Features:
- Head tube bore: 56mm
- SHIS: ZS56/40
- Headset style: Press Fit – Internal Cup
- Fork standard: Tapered 1 1/8″ – 1.5″
- Stack Height: 2mm
- stainless bidirectional bearing
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