Shock Absorber Type 641 Competition Preload Adjuster:Hydraulic Preload Adjuster (Wilbers-PA) (+$505) Up front we reduce friction

Up front we reduce friction and improve response with high-quality slide/guide bushings and SKF seals

and provides a highly predictable

multiple spring rates are available

For serious vintage motocross

it’s crucial to lower both the front and rear equally

Shock Absorber Type 641 Competition Preload Adjuster:Hydraulic Preload Adjuster (Wilbers-PA) (+$505) Up front we reduce frictionThis shock absorber connects its compression tank to the main body using a flexible steel hose, making it an ideal choice for motorcycles with limited installation space. The hose can be routed freely wherever space allows for instance, along the rear frame where airflow can also aid in additional cooling. The external adjustment screws for high and low speed compression, each adjustable in 22 clicks, are easily accessible. Rebound damping can be fine