Wunderlich - Ergo Rider Footrest Lowering Kit for BMW R 1150 GS K-Type-Side Panels The Sub Mount kit is

The Sub Mount kit is designed to use 1 1/8" (28mm) oversize handlebars but can be converted back to standard 7/8" (22mm) diameter bars by using Scotts optional bar reducers

and two pins

Will work on 27mm-62mm fork legs and fork tubes

model specific version (Universal version also available part no: 610053)

Wunderlich - Ergo Rider Footrest Lowering Kit for BMW R 1150 GS K-Type-Side Panels The Sub Mount kit isDesigned from ergonomic viewpoints, this footrest lowering kit for your BMW provides a relaxed and comfortable seating position that leaves no "posture damage" even on longer stretches. In order to achieve the optimum foot position, this footrest lowering kit has been carefully milled from solid material. The long distance comfort increases significantly since the knee angle is reduced to promote circulation and painful cramps are avoided. The result