Shock Absorber Type 632 Competition Preload Adjuster:Hydraulic Preload Adjuster (Wilbers-PA) (+$505) By separating the gas and

By separating the gas and oil with a premium internal bladder system

Ready to bring your classic motocross racer back to life

the Aprilia Tuono 660 Factory is a well-built motorcycle

The Wilbers suspension conversion provides a noticeably improved fork response by replacing the linear fork springs with progressive ones

Spring preload is continuously adjustable with the supplied spanner or

Shock Absorber Type 632 Competition Preload Adjuster:Hydraulic Preload Adjuster (Wilbers-PA) (+$505) By separating the gas andAfter a facelift, the Type 632 shock absorber now carries its compression tank on a high quality milled aluminum mount. New is the blow off compression valve, which combines both high and low speed circuits. This makes the shock absorber more compact and even more versatile in its use. With a setup range of 22 clicks, it offers adjustment that is both simple and precise whether you prefer a sporty or comfortable ride. Continuously adjustable spring