Zipp Part 2: The crankarm stiffness and strength test is used to certify the Vuma crank line to CEN standards.
- By VeloNews.com
- Published May. 30, 2009
Zipp Part 2: The crankarm stiffness and strength test is used to certify the Vuma crank line to CEN standards. | Photo: Zack Vestal
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Zipp Part 2: The crankarm stiffness and strength test is used to certify the Vuma crank line to CEN standards. | Photo: Zack Vestal
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