Box Two Chainring

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Note: Ships in 3-4 business days. Delivery time depends on the shipping method chosen at checkout. Made in the USA, the Box Two Chainring is precision-machined to run true and stif f lap after lap. Optimized cutouts shave weight without sacrificing rigidity, so more of your power makes it to the rear wheel, and the black anodized finish with laser-etched graphics keeps it looking sharp. Features: Lightweight cutouts optimized for stiffness Made in USA High standard for trueness and roundness Specifications: Material: 6061-T6 Aluminum Process: Extruded & CNC machined Finish: Anodized w/ Laser-Etched Graphics Compatibility: 104mm BCD; 3/32" chain Thickness: 3.5mm Available sizes: 38T–47T Weight by size: 38T 73g/2.57oz, 39T 78g/2.75oz, 40T 79g/2.78oz, 41T 84g/2.96oz, 42T 87g/3.07oz, 43T 90g/3.17oz, 44T 92g/3.25oz Show more