US distributor is RIDE WEST BMW in Seattle, WA. BestRest Products 6908 220th St. SW Mountlake Terrace, WA 98043 USA +1 (425) 673-1023 +1 (425) 673-0502 Fax E-mail: BestRest Products Web site: http://www.bestrestproducts.com/ Their adjustable BackRest for the R1100GS-R1150GS ...