ProductM holds a non-exclusive licensing contract with Schwinn for the Critical Geometry Frame bicycle suspension. If you are interested in obtaining more information about the CGF bicycle suspension has please contact:

Mark McJunkin
mark@productm.com

817 West Peachtree Street
Suite A115
Atlanta, Georgia 30308

tel: 404.961.7207
fax: 404.961.7201

 

Go To The Schwinn® Website!

 

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ProductMCycles.com - The Critical Geometry Frame. A revolutionary bicycle suspension.
Designed by ProductM. US Patent Number 5,553,880. ©2006 Product M. All Rights Reserved.