Designed and made in the USA, Cosine Narrow Wide chainrings feature an alternating tooth pattern to maximize chain retention. CNC-Machined from durable 7075-T6 aluminum alloy, they are perfect for today’s modern 1x drivetrains. Please note, they are not compatible with 2x or 3x systems.
- Material 7075-T6 Aluminum
- BCD 104mm
- Origin Designed & Made in the USA
- Weight 55 grams / 1.9 ounces (34t)