www.zinncycles.com  Zinn Custom Road Mountain and Travel Bikes  Zinn Online Store

**Please fill out the form below to request instructions for trading in your older square-taper, ZIS-0, or ZIS-1 cranks for the new and improved ZIS-2 cranks. Crank trade-in value (toward ZIS-2 cranks) of ZIS-1 (shiny black anodized, integrated-spindle) is $400, of ZIS-0 (silver, unanodized, integrated-spindle) is $200, and of square-taper (polished, silver anodized; 3-piece system) is $100.**

Email us with any questions: sales@zinncycles.com

-- Zinn Cycles Inc./ 303.499.4349 / 7437 S. Boulder Rd. / Boulder, CO - 80303 / USA / sales@zinncycles.com --