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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.
104 BCD Compatible
3/32" Chain Compatible
Anodized Aluminum
Optimized For Stiffness
Lightweight Cutouts
BCD 104mm
Material 6061-T6 Aluminum
Origin Made in USA
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
Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
US$40
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