We'll take care of you. Period.
It's our mission to provide you with world-class hospitality every time you visit us online or in-store. We're always here to help you. It's the Trek way.
| Manufacturer part # | 557045 |
|---|---|
| Steerer outer diameter | 28.6 mm (1-1/8") |
| Crown race inner diameter | 39.8 mm |
| Cup Insertion OD | 49 mm Top/56 mm Bottom |
| Stack height | 9 mm |
| Bearing type | Sealed |
| Headset type upper | Unthreaded semi-integrated |
| Headset type lower | Semi-integrated |
| Material | Aluminium |