-20 mm Lowering Fork Spring Kit Lowering Kits the spring rate has been

the spring rate has been refined using a slightly firmer spring combined with optimized rebound and compression damping

and Threaded Spring Preload

and greater overall safety

Our suspension conversion achieves a much better fork response by replacing the linear fork springs with progressive ones

Our special fork reduction valves allow the front to be adjusted to match the lowered rear

-20 mm Lowering Fork Spring Kit Lowering Kits the spring rate has beenDesigned to lower the front end when yokes can't, Hyperpro's Progressive Lowering Fork Springs are recommended for front and rear lowering to maintain optimal bike handling.