Shock Absorber Type 631 Competition Lift/Lowering:+10 mm threaded spring preload collar with

threaded spring preload collar with a side locking bolt

a slightly stiffer spring combined with optimized rebound and compression damping yields a wider adjustment range than the original shock

and a Sporty setup

are easy to access

– Model-adapted spring perch (non-threaded)

Shock Absorber Type 631 Competition Lift/Lowering:+10 mm threaded spring preload collar withWith compression tank on a flexible steel hose. The Wilbers Adjustline shock absorber Type 631 is ideal for motorcycles with limited space. The compression reservoir connects to the shock absorber via a flexible steel hose hose length and mounting angles can be chosen individually so the reservoir always finds its optimal position, for example on the rear frame where airflow provides additional cooling. The compression tank houses the screws for