BOX Cosine Chainring
$49.99
Details
- CNC-machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear
Part Numbers
| Option | UPC | MPN | Store SKU |
|---|---|---|---|
| Black / 38t | 639266089834 | BX-CR144B38T-BK | COS30403581K |
| Black / 40t | 639266089858 | BX-CR144B40T-BK | COS30716038K |
| Black / 42t | 639266089872 | BX-CR144B42T-BK |