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Springs: Dirt-specific progressive springs optimized for vintage off-road travel and geometry
damping and spring rate are selected to your rider specifications
Quickly tune your suspension to prevent packing in heavy whoops or kicking on jump faces
and offroad performance
The Wilbers suspension solution provides a more responsive fork by replacing the original linear springs with progressive ones
Shock Absorber Type 643 Competition PS - IDM Preload Adjuster:Mechanical (X-PA) Springs: Dirt-specific progressive springs optimizedIDM spec race shock (race replica). Specially developed for IDM Superbike competition, this shock incorporates our racing teams experience directly into its design delivering a true race replica unit. Includes X PA spring preload adjuster: infinitely adjustable over 15 mm Includes ride height adjustment: shock length adjustable by 5 mm Adjustments: high and low speed compression, rebound 22 clicks each Exclusive finish: milled aluminum parts anodized
