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 | 3.4mm x 17mm | 3mm x 17mm |
|---|---|---|
| Thickness | 3.4 mm | 3 mm |
| Inner diameter | 17 mm | 17 mm |
| Material | Aluminium | -- |