Box Two Chainring

The Box Two chainring is made in the US from 6061-T6 aluminum alloy and are round & true. They fit 104 BCD four-bolt cranks and are available in black anodized with laser-etched graphics from 38 to 45-teeth.

Thickness 3.5mm

38 Tooth 73 grams / 2.57 ounces

39 Tooth 78 grams / 2.75 ounces

40 Tooth 79 grams / 2.78 ounces

41 Tooth 84 grams / 2.96 ounces

42 Tooth 87 grams / 3.07 ounces

43 Tooth 90 grams / 3.17 ounces

44 Tooth 92 grams / 3.25 ounces

45 Tooth 96 grams / 3.38 ounces