Made in the US from 6061-T6 aluminum alloy, Box Two Chainrings are round & true. They fit 104 BCD four-bolt cranks & are available in black anodized w/ laser-etched graphics from 38 to 45-teeth.
FEATURES:
- 104 BCD Compatible
- 3/32″ Chain Compatible
- Anodized Aluminum
- Optimized For Stiffness
- Lightweight Cutouts





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