Moto-Master Fusion Series Dual Ring Rear Sprocket, 48-Tooth Blue, GasGas/Husqvarna/KTM (620083448)

Upgrade your motorcycle’s final-drive performance with the MOTO-MASTER Fusion Series Dual Ring Rear Sprocket, Part 620083448. Designed for compatible GasGas, Husqvarna, and KTM applications, this 48-tooth rear sprocket combines a hardened, nickel-coated steel outer ring with a lightweight aircraft-grade 7075-T6 aluminum carrier. The blue anodized finish adds durable surface protection while giving your drivetrain a clean, performance-focused appearance.
The Fusion Series dual-ring construction is engineered to deliver the long-term wear resistance of steel with significantly reduced weight compared with a conventional steel sprocket. MOTO-MASTER states that the hardened outer ring can outlast an aluminum sprocket by up to three times, helping maintain consistent tooth engagement and dependable chain performance during demanding riding. The specialized heat-shrink procedure permanently interlocks the outer ring and carrier for a secure, precise assembly.
Feature: Hardened, nickel-coated steel outer ring helps resist wear and extend service life.
Feature: Aircraft-grade 7075-T6 aluminum carrier reduces weight compared with a standard steel sprocket.
Feature: Dual-ring construction combines steel durability with aluminum carrier performance.
Feature: Specialized heat-shrink assembly permanently interlocks the outer ring and carrier.
Feature: Blue anodized carrier coating provides added durability and a distinctive finish.
Feature: CAD designed, CNC machined, and laser cut for accurate manufacturing and consistent fit.
The MOTO-MASTER Fusion Series Rear Sprocket is a practical choice for riders seeking a durable and lightweight replacement or upgrade for compatible GasGas, Husqvarna, and KTM motorcycles. Verify motorcycle fitment and drivetrain specifications before installation.

Features:

• Hardened, nickel-coated steel outer ring helps resist wear and extend service life.

• Aircraft-grade 7075-T6 aluminum carrier reduces weight compared with a standard steel sprocket.

• Dual-ring construction combines steel durability with aluminum carrier performance.

• Specialized heat-shrink assembly permanently interlocks the outer ring and carrier.

• Blue anodized carrier coating provides added durability and a distinctive finish.

• CAD designed, CNC machined, and laser cut for accurate manufacturing and consistent fit.

Ships from Parts Unlimited.