The Pro Headset Cup – IS52 / 30 mm Converter is a headset cup adapter designed to allow installation of 30 mm-OD headset bearings into frames with an IS52 (52 mm internal) headset interface.
Manufactured to Pro's tolerances, this converter cup provides a secure, accurate housing for 30 mm headset cups when used in frames that natively accept IS52 bearings. It ensures proper bearing alignment and optimal steering performance while maintaining smooth fork rotation and front-end stability. Ideal for custom builds, retrofits, or compatibility upgrades, this cup converter helps adapt your frame precisely and reliably.
Key features:
- Converts IS52 internal frame to accept 30 mm headset bearings
- Precision-machined for accurate fit and alignment
- Durable construction for long-lasting performance
- Helps maintain smooth steering and headset function
- Perfect for builds, upgrades, or retrofits
Headset Cup IS52 / 30 mm Converter
Order within [time] for delivery by [date]
90 Day Returns
The Pro Headset Cup – IS52 / 30 mm Converter is a headset cup adapter designed to allow installation of 30 mm-OD headset bearings into frames with an IS52 (52 mm internal) headset interface.
Manufactured to Pro's tolerances, this converter cup provides a secure, accurate housing for 30 mm headset cups when used in frames that natively accept IS52 bearings. It ensures proper bearing alignment and optimal steering performance while maintaining smooth fork rotation and front-end stability. Ideal for custom builds, retrofits, or compatibility upgrades, this cup converter helps adapt your frame precisely and reliably.
Key features:
- Converts IS52 internal frame to accept 30 mm headset bearings
- Precision-machined for accurate fit and alignment
- Durable construction for long-lasting performance
- Helps maintain smooth steering and headset function
- Perfect for builds, upgrades, or retrofits