You do not really controlRoll but the environment around him so that gravity does its part and Roll gets moving.
你真的不控制轧辊,但周围的环境,使他的严重性,它的一部分,和轧辊获得感动。
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The new series also includes a piston design that makes digressive forces for added pitch and rollcontrol. This helps with performance over rough terrains and on off-road surfaces.