Altis Sigma Front Sprocket (Collective)

• Larger flange to reduce movement on the driveshaft
• Hardened Tool steel for longevity.
• Black Oxide coated.
• New Jack shaft seal included and installed in the sprocket.
• 13 tooth is stock (OEM Size).
• 14 tooth adds more top speed and extended range by lowering your rpm’s which comes at a cost of less torque.

We’re committed to providing every customer with the best possible buying experience. Orders are processed and shipped as quickly as possible—typically within 1–2 business days.

During high-volume periods, please allow up to 3–5 business days for processing.

For bike purchases, shipping may take 7–14 business days due to size, freight scheduling, and preparation time.

Refer to the Product Information section for full warranty details specific to your product.