Shock Absorber Type 640 Adjustline Suspension KitBMW G 310 R 40 mm lowering kit (Type 640 shock). Seat height reduced from 790 mm to approx. 750 mm with a complete, matched setup for confident ergonomics. Includes: Type 640 shock Zero Friction fork springs with reduction bushings Fork oil Options: hydraulic preload adjuster (Type 625) or mechanical X PA adjuster. Fork shortening can be carried out by a BMW workshop, a Wilbers dealer, or at our Nordhorn facility. 5 year manufacturers warranty. ABE in