Crank Arm - Super73 (Single)

OEM crank arms for SUPER73 electric bikes. These replacement crank arms are designed to restore proper drivetrain function and fitment across multiple Super73 platforms. Crank arms are offered in model-specific configurations and are sold individually, except for S1/Z1 models, which are sold as a complete set. Compatibility varies by sprocket size and model, so proper selection is required.

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

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

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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.