Moto-Master Fusion Series 49-Tooth Dual-Ring Rear Sprocket, Black (620123249)

Upgrade your motorcycle’s drivetrain with the MOTO-MASTER Fusion Series Dual-Ring Rear Sprocket, Part Number 620123249. Designed for riders who demand a balance of strength, reduced weight, and long-term durability, this black rear sprocket combines a hardened, nickel-coated steel outer ring with an aircraft-grade 7075-T6 aluminum carrier. The 49-tooth configuration supports precise power transfer and dependable performance in demanding riding conditions.
Feature: Hardened nickel-coated steel outer ring helps provide extended service life and is engineered to outlast a comparable aluminum sprocket by up to three times. Feature: Lightweight construction weighs approximately 28.3 ounces, offering a 50% weight reduction compared with a conventional steel sprocket. Feature: Aircraft-grade 7075-T6 aluminum carrier delivers a strong, lightweight foundation for the sprocket assembly. Feature: Specialized heat-shrink manufacturing permanently locks the precisely manufactured outer ring and carrier together for reliable performance. Feature: Color-anodized carrier coating adds durability and helps maintain the sprocket’s finished appearance.
MOTO-MASTER manufactures the Fusion Series sprocket using CAD design, CNC machining, and laser-cutting technology to achieve consistent fit and accuracy. The dual-ring construction is engineered for riders seeking a durable replacement rear sprocket with reduced rotating mass, making it well suited for performance-focused street, off-road, and competition applications. The black finish provides a clean appearance while the precision-built components are designed to withstand the stresses of regular riding.
Choose the MOTO-MASTER Fusion Series 49-tooth rear sprocket for a carefully engineered combination of steel outer-ring durability and aluminum-carrier weight savings. Verify motorcycle fitment and drivetrain compatibility before installation.

Features:

• Hardened and nickel-coated steel outer ring for enhanced durability

• Designed to outlast a comparable aluminum sprocket by up to three times

• Approximately 50% lighter than a conventional steel sprocket

• Aircraft-grade 7075-T6 aluminum carrier

• Permanent outer-ring and carrier interlock created with a specialized heat-shrink process

• Color-anodized carrier coating for added durability

• CAD designed, CNC machined, and laser cut

• 49-tooth rear sprocket configuration

• Black finish

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