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SUN Components (A Hayes Performance Systems Brand)
5800 W Donges Bay Rd
Mequon, WI 53092

Phone
262-242-4300

Hayes Performance Systems Headquarters

Phone: 262.242.4300
Toll Free: 800.747.1681
Fax: 262.242.4583
Hayes Bicycle Group- Customer Care and Technical Support

Phone: 888.686.3472
techsupport@hayesbicycle.com