Box Two BMX Chainring

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.

Lightweight Cutouts Optimized For Stiffness

Made in USA

High Standard for Trueness and Roundness

Material: 6061-T6 Aluminum

Process: Extruded & CNC Machined

Finish: Anodized w/Laser-Etched Graphics

Compatibility:

• BCD: 104mm

• Chain: 3/32”

Size:

• Thickness: 3.5mm

• Diameter/Weight:

• 38 T 73 g / 2.57 oz

• 39 T 78 g / 2.75 oz

• 40 T 79 g / 2.78 oz

• 41 T 84 g / 2.96 oz

• 42 T 87 g / 3.07 oz

• 43 T 90 g / 3.17 oz

• 44 T 92 g / 3.25 oz