Single Sprocket, CS-S500, Alfine 18T (W/O Guard)
$17.99
The Shimano CS-S500 Alfine Cog features a revised tooth profile designed to eliminate chain skip and improve engagement. It is engineered specifically for Shimano's internal gear hub systems, providing a durable and quiet interface for urban and trekking riders.
These cogs are available in 18T or 20T configurations to help you fine-tune your gear ratio. For added protection and drivetrain cleanliness, versions are available with an integrated chain guard to prevent the chain from derailing outward.
Quick Facts
| Feature | Specification |
|---|---|
| Compatibility | Shimano Alfine & Nexus Internal Hubs |
| Tooth Counts | 18T or 20T |
| Design Tech | Anti-skip tooth profile |
| Options | With or without chain guard |
| Chain Compatibility | Single-speed (1/8") or 3/32" chains |
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