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!
| Bearing size | 38 mm x 26 mm x 6.5 mm | 41 mm x 30 mm x 6.5 mm | 52 mm x 40 mm x 6.5 mm |
|---|---|---|---|
| Bearing type | Head set | Head set | Head set |
| Material | Steel | Steel | Steel |