Made in the US from 6061-T6 aluminium alloy, Box Two Chainrings are round and true. They fit 104 BCD four-bolt cranks and are available in black anodised with laser-etched graphics from 38 to 45-teeth.Specifications:Material: 6061-T6 AluminiumProcess: Extr
Made in the US from 6061-T6 aluminium alloy, Box Two Chainrings are round and true. They fit 104 BCD four-bolt cranks and are available in black anodised with laser-etched graphics from 38 to 45-teeth.
Specifications:
Material: 6061-T6 Aluminium
Process: Extruded & CNC Machined
Finish: Anodized w/Laser-Etched Graphics
BCD: 104mm
Chain pitch : 3/32
Thickness: 3.5mm
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