Gates

Belt Drive CDX Rear Cog 9-Spline 39t

Gates Belt Drive CDX Rear Cog 9-Spline 39t brings precision, performance, and low-maintenance reliability to your belt drive setup. Designed for riders who demand smooth power transfer and clean, quiet efficiency, this rear cog is the perfect upgrade or replacement for a high-performance belt-driven drivetrain.

Made from superlight, machined aluminum, the CDX Rear Cog keeps weight down without sacrificing strength or durability. Its integrated interior guide flange ensures perfect belt alignment, reducing wear and maintaining consistent performance mile after mile. Whether tackling daily commutes or epic bikepacking routes, this cog delivers the dependable quality that riders expect from Gates Carbon Drive.

• 39-tooth, 9-spline design – ideal for a wide range of gearing setups
• Precision-machined aluminum – lightweight yet incredibly durable
• Interior guide flange – keeps belt perfectly aligned and running smooth
• Low-maintenance performance – no rust, grease, or chain stretch to worry about
• Compatible with Gates Carbon Drive CDX systems

For riders seeking a cleaner, quieter, and more efficient drivetrain, the Gates CDX Rear Cog 9-Spline 39t delivers the kind of reliability that makes every ride feel effortless.