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 | 1mm x 5.5mm | 3.2mm x 6.5mm | 1.5mm x 5.5mm |
|---|---|---|---|
| Thickness | 1 mm | 3.2 mm | 1.5 mm |
| Inner diameter | 5.5 mm | 6.5 mm | 5.5 mm |
| Material | Steel | Steel | Aluminium |