The suspensions from WP, Wilbers, or Íhlins are exactly aligned to your needs. Therfore it is necessary, that you give us informations about driver's weight with clothes and helmet or loading weight. Also it makes a difference for what purpose, whether road or terrain, and which driving style you prefer your R850/1100R or R1150R. Among the WP-suspensions are special versions for every Roadster model. For the R1150R and also for the R850R and R1100R you get for the front an Emulsion suspension and a Spin suspension with fixed reservoir. For the rear you can choose between an Emulsion suspension and a Fusion suspension with reservoir fixed by a steel flex. Both the Fusion and the Emulsion suspension for the rear you can combine with a hydraulic preload adjustment. From Wilbers you get for the R850R, R1100R, R1150R and the R1150R Rockster for the front the Wilbers Sport Line and Classic Line Type 630 Competition without reservoir. For the rear the Sport Line and Classic Line Type 640 Road without reservoir and the Sport Line and Classic Line Type 641 Competition with reservoir on a flexible hose line. As accessory offers Wilbers the suspensions height adjuster and the hydraulic (spring) preload adjuster. The company Íhlins offers for the R850R and the R1100R for the front a Emulsion suspension type 46ER and for the rear the De carbon suspension type 46DRLS. Design with floating piston built into the main body. For the R1150R offers Íhlins for the front and rear a suspension in De carbon design type 36DRL or type 46DRS. As you can see, is something in the program for each model, which should correspond to your idea. If not, than talk to us.