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 | 170mm, 42t | 175mm, 42t |
|---|---|---|
| Length | 170 mm | 175 mm |
| Teeth | 42t | 42t |
| Speed | 11/10/2012 | 10/11 |
| BCD | 110 mm | 110 mm |
| Offset | Standard | Standard |
| Crank type | Shimano Hollowtech II | Shimano Hollowtech II |
| Threading | 9/16"(15 mm) | 9/16"(15 mm) |
| Material | Steel | Steel |