Shock Absorber Type 540 Ecoline Suspension KitBMW G 310 R 40 mm lowering kit (Type 540 shock). High tech in a compact class: ideal for beginners, riding schools, or shorter riders. Our complete kit lowers seat height from 790 mm to approx. 750 mm for easier footing and confident control. Includes: Type 540 shock Zero Friction fork springs with reduction bushings Fork oil Fork shortening can be performed by a BMW workshop, a Wilbers dealer, or at our Nordhorn factory. 5 year manufacturers