This is a 40-series Integrated IS52 Bottom headset that has a Crown Race diameter of 30.015mm and a bottom stack height of 1mm.
- Strong seal, can cross with other 40 series bearings and headset parts
- Bearings are black oxide sealed
- Durable steel crown race with low-friction face-seals
Compatibility: 1-1/8" straight steerer tubes to tapered 52mm 1.5" IS bottom head-tubes
This product was added to our catalog on June 18, 2019