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| Manufacturer part # | 141-0052000010 |
|---|---|
| Steerer outer diameter | 28.6mm (1-1/8") / 38.1mm (1-1/2") |
| Crown race inner diameter | 39.8mm |
| Cup Insertion OD | 44mm |
| Stack height | 30mm |
| Bearing type | Sealed |
| Headset type upper | Lower only |
| Headset type lower | External |
| Material | Aluminum |