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Two additional springs included (one softer
Hyperpro's Progressive Lowering Fork Springs are recommended for front and rear lowering to maintain optimal bike handling
Pair with our specially formulated Wilbers fork oil and the specified air chamber for your vehicle to maximize performance
smoother cornering
This special fork-spring kit adapts the front to the lowered rear
Shock Absorber Type 641 Competition Preload Adjuster:Hydraulic Preload Adjuster (Wilbers-PA) (+$505) Two additional springs included (oneThis 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
