CNC Box-Section Swingarm Schmitt made of aluminum – matte black anodized, +50 mm for Simson

With this CNC-milled box-section swingarm from Schmitt, you get a truly stable upgrade for the chassis. The swingarm is 50 mm longer, made of high-quality aluminum and matte black anodized – fits perfectly on your Simson S50, Simson S51 and other models. Due to the higher rigidity, you get more precise handling and more control, especially when you are on the road with a powerful engine setup.

Thanks to the thoughtful design, the box-section swingarm is also ideal for tuning engines: it reliably absorbs the higher forces and transfers them cleanly into the chassis. Practical: installation is possible with both drum brake kits and disc brake kits. Additionally, all swingarm bushings with original dimensions fit, making the conversion pleasantly uncomplicated.

Important: Due to the extended design, you will need an adapted, longer drive chain.

Advantages & Features

• +50 mm longer CNC-milled box-section swingarm
• Aluminum (high-quality) for low weight with high stability
• Matte black anodized for a robust, high-quality look
• Higher rigidity for improved handling and more precise control
• Ideal for tuning engines – designed for the absorption/transfer of high forces
• Compatible with drum brake and disc brake kits
• Suitable for swingarm bushings in original dimensions
• Including CNC-manufactured chain tensioner for exact chain tension
• Note: longer drive chain required

Compatibility (Vehicles)

• Simson S 70 EII 70 4-speed (1985–1989)
• Simson S 50 B2 50 3-speed electronics (1976–1980)
• Simson S 50 B 50 3-speed (1975–1976)
• Simson S 50 B1 50 4-speed (1976–1980)
• Simson S 53 B 50 4-speed (1990–1994)
• Simson S 50 N 50 3-speed (1975–1980)
• Simson S 83 80 4-speed Beta (1994–1996)
• Simson S 51 B2-4 50 4-speed (1980–1989)

OEM Number (for comparison purposes)

• 203741