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!
| Size | 0.5mm x 8.2mm |
|---|---|
| Thickness | 0.5 mm |
| Inner diameter | 8.2 mm |