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Hunter1911: Leaf spring suspensions are rather simple, since the axle is suspended by the spring, and does not require the complicated suspension geometry. Leaf springs are also quite sturdy, and are capable of handling high loads. The leaf springs' simplicity is as much a curse as a blessing. Since these spring attach at fixed points on the chassis, they give very little room for adjustability of suspension geometry. These springs also flex a great deal, resulting in a loss of wheel-to-ground contact under extreme conditions.