-20 mm Lowering Fork Spring Kit Lowering Kits and Threaded Spring Preload

and Threaded Spring Preload

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

we create sufficient usable travel and automatically adjust spring rate to load

the suspension geometry has been improved through adjustments to the negative spring travel

-20 mm Lowering Fork Spring Kit Lowering Kits and Threaded Spring PreloadDesigned 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.