-20 mm Lowering Fork Spring Kit Streetbox elevating your motorcycle's performance to

elevating your motorcycle's performance to new heights

The only difference is the omission of the compression reservoir

Order the cosmetic kit: two black-anodized outers

This high-performance gas-charged emulsion shock delivers a transformation in steering precision

Piggyback Reservoir Technology: The external nitrogen reservoir increases oil volume for vastly superior cooling

-20 mm Lowering Fork Spring Kit Streetbox elevating your motorcycle's performance toDesigned 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.