Gates

CDX Enviolo Fin Line 9-Spline 24t Rear Sprocket

The Gates CDX Enviolo Fin Line 9-Spline 24t Rear Sprocket is a purpose-built rear belt-drive cog for Enviolo 9-spline systems, designed for the higher, sustained loads common on daily-use e-bikes and trekking bikes. Its updated mounting interface improves sprocket security and helps reduce drivetrain noise in dirty or wet conditions, while Gates’ proven CDX tooth shaping supports long service life in real-world commuting and touring.

• 24T rear sprocket for Enviolo 9-spline - Correct fitment for compatible Enviolo 9-spline belt-drive interfaces
• 11mm belt pitch - Matches the Gates Carbon Drive CDX belt standard for proper engagement and efficient power transfer
• Threaded retaining ring mount - Updated from a snap-ring design to improve retention and significantly minimize sprocket noise under adverse conditions
• Fin Line center track with guide flange - Helps keep the belt tracking correctly to reduce the chance of derailment
• Mudsports tooth profile - Proven shaping intended to maintain performance and durability when conditions are less than ideal
• Wear-resistant stainless steel construction - Built for high-mileage use where sprocket longevity matters
• Compatibility note - Not compatible with Enviolo hubs from model year 2023 or earlier