XKMT Group Motorcycle Adjustable Rear Lowering Kits Fit For All years Honda 450R 400EX TRX400EX TRX450R Silver High Quality Adjustable Rear Lowering Kit Added stability, designed for flat track racing. NOT designed for Jumping Lowers aprox. 1 1/2'' lower to 4 1/2'' lower than stock Easy installation! No additional hardware required Material: Billet Aluminum