30 Day Unconditional Guarantee
For Trek, Bontrager and Electra products, if for some reason you're not 100% happy with your purchase, you can return it within 30 days for a refund - no questions asked!
| Manufacturer part # | 313066 |
|---|---|
| Steerer outer diameter | 28.6 mm (1-1/8") |
| Crown race inner diameter | 30 mm |
| Cup Insertion OD | 44 mm |
| Stack height | 8 mm |
| Bearing type | Loose ball |
| Headset type upper | Unthreaded semi-integrated |
| Headset type lower | Semi-integrated |
| Material | Aluminium |