It has an elliptical shape with measurements of 90 x 120 mm

the top case and carrier do not restrict use

knee and back seat

The handlebar tilt can be individually optimised with the Wunderlich Handlebar Riser ERGO 40 mm for the BMW R 12 Series

This should be tested with diagnostic software

Wunderlich - Suspension Shock Absorber S1 Options:Rear - Standard It has an elliptical shapeFacts and Product Features of Wunderlich Suspension powered by TracTive S1 Shock Absorbers The S1 shock absorber is the first upgrade for riders who want to optimize their stock suspension or replace an aging stock suspension with a higher quality one. Each high quality all round shock absorber is equipped with damping settings specially developed for the respective vehicle model and purpose, primarily targeting touring riders who typically ride with