SPIN (Shearing Pad INside) uses a silicon gel-like membrane inside the pad that allows the helmet to rotate a small amount independently of the head to reduce the rotational forces on the brain caused by oblique impacts

How many bikes does it carry: This one carries 2 bikes and is half the physical size of a normal pad

Dial in your stack height with a spacer kit

While these will work with most drop bars they can only flex so much and won't fit bars with really tight bends

2mm Discrete clamp

AlpineStars Drop 2 Shorts - S-30 - Red - Black netsuite-webdata-created SPIN (Shearing Pad INside) usesFeaturing a seamless elasticised seat area and crotch chamois padding, Alpinestars' Drop 2 Shorts are constructed for superb comfort and optimised riding performance over long distances. Front air inlets are zippered to ensure riders remain cool while their rip stop reinforcements provide high levels of durability. CONSTRUCTION High performance Enduro shorts with a multi material upper construction for maximised race performance and comfort.