Research on the bicycle pump model found that respondents ' satisfaction overall pumping bike questions: energy-level (x = 4.10 ̅) creativity in high level (x = 3.94 ̅), useful, and usable in actual (x = 4.10 ̅) safe to use on high level (x = 3.82 ̅) environmentally friendly in many levels (x = 4.12 ̅), durability, strength in high level (x = 3.74 ̅) system design technique works in most levels.(X = 3.52 ̅), appropriate to the size and weight of the active medium (x = 3.46 ̅) commercial development in high level (x = 3.56 ̅).
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