This is a Replacement Giant Aircap OD2 Expander System Steerer Plug for use with Giant Bikes using the Overdrive 2 Steerer tube.
Features:
- Compatible with 2012+ Giant road bikes with 1-1/4″ – 1-1/2″ tapered carbon steerer tubes
- Steerer plug glues into steerer tube
- Includes alloy steerer plug, alloy top cap, alloy top cap bolt, and adhesive
- Lighter than standard star nut and top cap









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