The BOX Three Prime 9 Chain is polished and then chemically treated to achieve corrosion resistance. All Prime 9 chains have chamfered shifting edges, solid plates and solid pins to safeguard durability. A unique inner link spacing is engineered to grab modern wide/narrow chainrings.
- Durable hardened solid pins
- Wide/narrow chainring compatible
- Compatible with most 10,11, and 12-speed wide/narrow chainrings
- 126 Links