Introduction: Lowering your suspension is an aftermarket alteration that makes your vehicle sit a little bit lower to the ground. Improved handling and traction: Generally speaking, lowering the vehicle closer to the ground improves the tires' grip on the road, leading to improved handlingFeature: This kit swings the bottom of the Rear shocks backward, lowering the bike at the seats by 1".Specification: 1.Application : for Harley Touring bikes with premium hand adjustable spring shocks 2010-2021 for Street Glide FLHX 2017-2021 for Street Glide Special FLHXS all year for Road Glide FLTR 2017-2021 for Road Glide for Ultra FLTRX 2017-2021 for Road Glide Special FLTRXS all year for RoadKing Special FLHRXS 2017+ for Ultra Classic FLHTCU 2017-2021 for Ultra Limited FLHTK 2017-2021 for CVO Ultra FLHTCUSE 2017-2021 for CVO Ultra Limited FLHTKSE 2017-2021 for CVO Street Glide FLHXSE (with spring shocks) all year for CVO Road Glide FLTRSE (with spring shocks) all year for CVO RoadKing's FLHRSE 2013+For Harley touring bikes with premium hand adjustable spring shocks 2010- 2021 DO NOT work with air shocks 2.Specific: Installation location: Rear Lowering Size: 1'' Material:Aluminum Weight:0.7kgPackage Includes: 2x Lowering Link 2 x Washers 4 x BoltCode:MGGRP Authority IDMXR02FXSY NoticeCalifornia Prop 65 Warning NoticeCalifornia Prop 65 Warning Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.