-20 mm Lowering Fork Spring Kit Streetbox The only difference is the

The only difference is the omission of the compression reservoir

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

this kit updates older fork technology to match modern sport performance standards

and minimizes tire wear

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

-20 mm Lowering Fork Spring Kit Streetbox The only difference is theDesigned 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.