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The owner/rider reports this is a 3-year-old Campagnolo Record crank (2001/2002?). Note two-color cross section, characteristic of fatigue failure. Owner suggests it is a manufacturing defect, both cranks replaced by Campagnolo at 35 months of a 36-month warranty.
Rider 81kgf (180 pounds), self-described ``masher'' and rides hills.
Injuries left rider in a sling.
See also FAIL-029.html.