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| Manufacturer part # | BAA0067K | BAA0068K |
|---|---|---|
| Steerer outer diameter | 25.4mm (1") | 28.6mm (1-1/8") |
| Crown race inner diameter | 26.4mm | -- |
| Cup Insertion OD | 30mm | -- |
| Stack height | 28mm | 28mm |
| Bearing type | Sealed | Sealed |
| Headset type upper | Unthreaded | Unthreaded |
| Headset type lower | External | External |
| Material | Aluminum | Aluminum |