Narrow/Wide tooth design for chain retention on 1x systems - 10 or 11 speed compatible - Mud clearing channels - CNC 7075 Swiss Alloy

Origin-8's BMX/SS/Fixie Chainrings are CNC-machined in the USA out of tough, light and durable 6061-T6 aluminum and are compatible with BMX, fixie and track drivetrain components. They have an attractive and corrosion-resistant anodized finish.