Supersprox Stealth 51-Tooth Gold Rear Sprocket for Husaberg, Husqvarna and KTM (RST-990-51-GLD)

Upgrade your motorcycle’s final-drive system with the SUPERSPROX Stealth rear sprocket, part number RST-990-51-GLD. Designed for select Husaberg, Husqvarna, and KTM applications, this 51-tooth sprocket combines a lightweight aluminum core with durable steel teeth to deliver an effective balance of reduced weight, long service life, and dependable performance. Its gold finish adds a distinctive appearance while maintaining the rugged construction expected from a high-performance drivetrain component.

The Supersprox Stealth design is engineered to extend overall system life without compromising strength. Steel teeth provide substantially greater wear resistance than conventional aluminum sprockets, lasting up to four times longer under comparable conditions. The aluminum core is approximately 70 percent lighter than steel, helping reduce unsprung and rotating weight for responsive handling and efficient power transfer.

Forged rivets are integrated into the sprocket construction to provide exceptional strength and help maintain the connection between the steel outer ring and aluminum center. This pound-for-pound construction makes the SUPERSPROX Stealth sprocket a practical choice for riders who demand durable drivetrain performance without unnecessary weight. Confirm compatibility with your motorcycle before installation.

Features:

• Brand: SUPERSPROX

• Part Number: RST-990-51-GLD

• Application: Select Husaberg, Husqvarna and KTM motorcycles

• Tooth Count: 51 teeth

• Finish: Gold

• Construction: Lightweight aluminum core with durable steel teeth

• Durability: Steel teeth can last up to four times longer than aluminum

• Weight Reduction: Aluminum core is approximately 70 percent lighter than steel

• Strength: Forged rivets provide exceptional structural strength

• Performance: Designed to extend drivetrain life while reducing rotating weight

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