Box Three Prime 9 Race Chain preorderemove Left and right sprocket bosses

Left and right sprocket bosses let the Brace Cranks be run as either RHD or LHD

The AM brake pads are made from a soft clear compound for better braking

After another amazing year for Sergio Layos

Offset: 33mm

The Sunday Knox V2 Guard Sprocket was built as a super tough guarded sprocket that's capable of fitting bigger chains like halflink chains

Box Three Prime 9 Race Chain preorderemove Left and right sprocket bossesThe Box Three chain is polished and then chemically treated to achieve a basic level of corrosion resistance. All Prime 9 chains have chamfered shifting edges, solid plates and solid pins to safeguard durability. The unique inner link spacing is engineered to grab those modern wide narrow chainrings.