Pro-Tek Lowering Links - Fully Adjustable LL-70 CNC machined from 7075 T6 billet aluminum for Kawasaki and Suzuki (Except Part #: 1304-0175, which is made of 6061 T-6 Aluminum), Yamaha (except for Part #s 1304-0192/0195, which are made from 7075 T-6 aluminum and Honda links are constructed of 6061 T-6 billet aluminum Lower the frame for easier mounting and control for smaller riders Increase aerodynamics for speed and performance Polished for a show look Include holes for adjusting ride height as noted in chart (Hole 1=1in. means Hole 1 lowers the bike 1in., etc.)