Shock Absorber Type 643 Competition PS - IDM Preload Adjuster:Mechanical (X-PA) Threaded Spring Preload: Achieve the

Threaded Spring Preload: Achieve the perfect race sag with the high-strength threaded collar

Geometry is subtly corrected via negative travel so seat height remains essentially stock while steering feel improves

– Maintenance‑free spherical bearings

Product may differ from the picture

The rear receives a slightly firmer spring and revised rebound/compression damping

Shock Absorber Type 643 Competition PS - IDM Preload Adjuster:Mechanical (X-PA) Threaded Spring Preload: Achieve theIDM 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