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Quantity
1
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 47-teeth.
Reviews
5.0
23 ratings
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1
This is built very nicely. Allowed me to get a stronger start out of the gate than my previous 43 tooth!!
S
Steven · May 29, 2026
It's lightweight, has high manufacturing precision, and the design makes it easy to attach and detach, which is great.
A
Anonymous · May 15, 2026
Fit and finish was wonderful. I highly recommend this product
