- Quality Aluminium ISO Threadless Head Set to suit 1" Steerer tube, includes alloy cap and double star nut. Can be used on carbon steerer with one of our stem expanders. (Star nuts are not suitable for use in carbon steerers)
- Sealed Cartridge Bearings, cups made from 6061 aluminium with 7075 crown race, top and bottom seals to keep out dust and water. Weight 74 grams excluding Cap & Star Nut.
- 27mm Crown Race, 30mm Cup Size, Overall Stack Height 29.7mm - Upper Height 16.7mm + Lower Height 13mm
- Note: There are two common 1" sizes, (JIS and ISO), ensure you select the right size for your application.
- Prestine brand made by Yantec Industries (One of Taiwans leading OE manufactuers)
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