Motorcycle Suspension JC Whitney: Motorcycle Parts & Accessories
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Suspension
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PROGRESSIVE® SUSPENSION 416 SERIES AIR SHOCKS Progressive® Suspension 416 Series Air Shocks are designed for touring motorcycles and can be dialed-in for varying loads or road conditions. These air shocks come with an aircraft grade aluminum air chamber that is precision machined and clear anodized to give that attractive and durable finish.
PROGRESSIVE® SUSPENSION 420 SERIES NON-RESERVOIR, INTERNAL BLADDER, ALUMINUM BODY SINGLE SHOCKS The 420 Series from progressive suspension allows for easy shock installation without the need to find a location to mount a reservoir. The internal bladder is gas charged with nitrogen to give superior fade-free damping. The shock shafts are made from 14mm chromoly steel, hard chromed for durability and smooth operation.
PROGRESSIVE SUSPENSION 450 SERIES I.A.S.® SINGLE SHOCKS The 450 series I.A.S. ® single shocks have technically the same features as the 440 Series. These 450 series I.A.S.® single shocks include a progressive® rate spring and an inertia sensitive and velocity sensitive damping circuits.