Features:When your motorcycle parking on a slope, it is dangerous, because your motorcycle is easy to down the slope automatically when it is parked on a slope, causing the motorcycle to roll over and damage the motorcycle body and other parts. when you install the brake assist, it becomes easy and safe for your motorcycle parking on a slope. At the same time, you can also use it while for lights at intersections, which can rest your hands. products make your trip more enjoyable: one piece (as shown in the picture)Product Description:Product Name:Slope Parking Auxiliary LockRole: auxiliary parkingMaterial: aluminum alloycolor: BlackFitment:For Nmax 155 V1&V2( check the size of the hole in the mounting position of your motorcycle purchasing, and compare it with the product size in the picture, )Package Contents:1x Rear Brake ButtonOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.