Original Multi-Adjustable Slipper Clutch - MSC, with independently adjustable FRONT and/or REAR slippage via different slipper pads and clutch dishes of different diameter, guarantees better and even more consistent clutch procedure to create quicker acceleration much less wheel spin. For improved performance there are two main various pads with various hardness, yellowish SLS pads with greater slippage and black colored colored medium hardness with less slippage. The slippage ratio between front and back tires are modified separately with respect to the form of the track, tires and sporting design. The Multi-Adjustable Slipper Clutch is roofed in Carpet Edition. Fits XB4'20-21, XT4'20