Star Union "S73" 2-Piston Brake Assembly - Super73

OEM two-piston brake assembly for Super73 electric bikes, manufactured by Star Union as an original equipment component for Super73. Available in front or rear brake configurations, with each option featuring the correct brake line length and brake lever style for its mounting position. This brake assembly comes standard on the S2 Laguna, base Z-Series models, and MZFT, and is compatible with all Super73 vehicles. Please select the correct front or rear version before ordering.

Have a question before or after your purchase? Our team is here to help with product guidance, compatibility questions, and order support.

📍 Contact Form
📞 (917)-261-5031
📧 info@lastmilenyc.com

Visit us in-store for hands-on assistance and expert support.

We ship nationwide within the United States. Shipping times and costs vary based on product type and destination.

• Small items typically ship within 1–3 business days
• Larger items and vehicles may require additional handling time
• Pre-orders ship once inventory arrives (estimated dates listed on product pages)

Tracking information is provided once your order ships.