Gates

Belt Drive CDX Pinion Sprocket, 39T

The Gates Belt Drive CDX Pinion Sprocket, 39T brings precision, strength, and sleek design to belt-driven performance bikes. Engineered from superlight machined aluminum and built for riders who demand smooth, silent, and low-maintenance drivetrains, this sprocket delivers the efficiency and durability that define the Gates Carbon Drive system.

Designed around CenterTrack technology, the CDX Pinion Sprocket keeps your belt perfectly aligned mile after mile, even through mud, grit, and weather that would send a traditional chain system begging for mercy. Whether set up on a commuter, touring rig, or adventure bike, it’s the ultimate upgrade for clean, reliable power transfer.

• Superlight machined aluminum construction reduces rotational weight without sacrificing strength.
• CenterTrack guide ridge maintains precise belt alignment for quiet, consistent performance.
• Compatible exclusively with CDX CenterTrack belts for maximum efficiency and longevity.
• Available in multiple bolt circle configurations to fit most cranksets, including Di2 and tandem-specific options.

The Gates CDX Pinion Sprocket is a smart choice for cyclists ready to leave chain maintenance behind and embrace the simplicity of a belt drive system built to last.