About This Product
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.
BCD 104mm Material 6061-T6 AluminumThickness 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
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