2010 Scott Aspect 45 Mountain Bike:  The Aspect range of mountain hardtails is designed to be light, efficient, and reasonably priced. The bikes feature comfortable geometry with sloping top tubes to ensure adequate standover height, and the headtube and seat angles ensure responsive handling and precise steering. All Aspect frames are built with double butted 6061alloy tubing and replaceable derailleur hangers for long frame life.