There are two different durometer bushings available

5 inch width

DRCZeta - Hand Guard Mount Side Type

If you need a ROAD damper instead

Skyrich - Battery Lithium Ion Super Performance Option:HJTX14AHQ-FP There are two different durometerBattery Lithium Ion Super Performance Non spill : no acid inside, no leak No pollution does not contain any acid and heavy metals such as lead, cadmium, hydrargyrum (mercury) Non explosive and non combustible\ Quickly rechargeable with big current: rechargeable with 13 amp current and 90% recharged within 6 min Excellent Cycle life: More than 2000 cycles under JIS D standard (Lead acid only 150 300 cycles) HJTX20CH FP fits KTM 950 990