Description
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. Size: 41T, 43T, 45T, 38T, 39T, 40T, 44T, 42T