Series 412 Cruiser Shock Absorber by PROGRESSIVE SUSPENSION (manufacturer part no. 412-4201C): a set of gas shocks designed for touring bikes, cruisers, and roadsters seeking robust and adjustable suspension. Complete shocks with progressive winding springs and chrome covers, suitable for vintage/classic and touring motorcycles.
- Damping Method: gas-charged (nitrogen) with multi-stage speed-sensitive valves for motion control at different rates.
- Spring: progressive winding steel, designed to provide superior comfort and road holding.
- Adjustment: 5-position cam preload to adapt the suspension to load and riding style.
- Construction: steel body, internal reservoir, black and chrome finish, extended length 292 mm (11.50").
- Usage: heavy duty — recommended for motorcycles used near or at maximum load more than 50% of the time.
- Origin: made in the USA.
Before purchasing or installing shocks with a length different from OEM, check wheel travel and clearances (swingarm/axle, exhaust, chain/belt guard, tyre). These shocks are particularly suitable for SUZUKI VS 1400 GLP Intruder, YAMAHA VMX-12 Vmax, and HONDA VF 750 C Magna (check compatibility by year and mounting).
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