Wilbers Nivomat Suspension KitSportster 1250S comfort and control without sacrificing stance The stock shock reaches its limits quickly because available rear travel is tight. Our Wilbers LDC system increases usable travel to a full 80 mm. Thanks to an additional gas spring that stiffens with load, we can use a softer main spring rate for comfort while preserving support. Seat height remains essentially unchanged to keep the bikes compact look. Up front we reduce friction and