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Manufacturer part # | 557045 |
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Steerer outer diameter | 28.6mm (1-1/8") |
Crown race inner diameter | 39.8mm |
Cup Insertion OD | 49mm Top/56mm Bottom |
Stack height | 9mm |
Bearing type | Sealed |
Headset type upper | Unthreaded semi-integrated |
Headset type lower | Semi-integrated |
Material | Aluminum |