With 4 adjustable height positions and locking rear castors, putting baby front and center at any family table is a snap.

另外4档可调高度位置和锁定后方脚轮，您可以把宝宝和大家一起吃饭。

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Collapsible portable aluminum frame, solid front, solid rear wheel plastic wheel box, up on the rails, after the hand with self-locking brakes, seat belts.

可折叠便携式铝合金车架，实心前轮，塑料轮框实心后轮，上翻扶手，自锁式后把手连刹车，安全带。

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Rear hitch with spring self-locking device will not come loose when being towed on rough or bumpy road surfaces. both safe and reliable;

采用挡销式后拖钩，操作方便，并具有自锁功能，在行驶时不会因跳动而发生脱钩，安全可靠；

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Both cars can be equipped with optional torque vectoring, a brake-based system built to augment the mechanically locking rear differential and help put power to the ground.

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The mighty 12 is backed up by an eight-speed transmission and Audi's Quattro all-wheel drive system (with electrically locking front and rear differentials, no less).

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The M5's reinforced active locking and torque-vectoring rear differential (the Active M-Differential) brilliantly adjudicates traction between the rear wheels.

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