Box Two Chainring 4 Bolt

Made in the US from 6061-T6 aluminum alloy, Box Two™ Chainrings are round and true. They fit 104 BCD four-bolt cranks and are available in black anodized with laser-etched graphics from 38 to 45-teeth.

FEATURES

• 104 BCD Compatible
• 3/32" Chain Compatible
• Anodized Aluminum
• Optimized For Stiffness
• Lightweight Cutouts