Answer a question more than 60 days later with score of 5 or more. This badge can be awarded multiple times.
earned this badge 3 times
Should flywheels on stationary trainers be replaced periodically to avoid catastrophic failures caused by fatigue?
Awarded dec 25 at 21:09
Awarded may 31 '13 at 16:21
Awarded jul 12 '12 at 19:32