
BOX One Chainring Features
Made in the US from 7075 aluminum alloy, Box One Chainrings are round and true. They fit 104-BCD four-bolt cranks.- Made in the US from 7075 aluminum alloy, Box One Chainrings are round and true. They fit 104-BCD four-bolt cranks.
- 7075 aluminum alloy with anodized finish provides durability
- Designed to fit 104-BCD four-bolt cranks