Harddrive Dyna Monotube Shock 13" Hvy Adjustable

Harddrive 705 series rear shocks with racingbros' race-proven sav, "speed adaptive valving", damping system provides superior ride quality regardless of road conditions! speed adaptive valving (sav). internal floating piston (ifp) stabilizes damping performance. one-piece damping body construction forged from a7075 aluminum. easy set up spring pre-load cap, no special tool needed. rebound adjustable version available. available in 12", 12.5" or 13" lengths. sold individually. note: heavy-duty spring rate recommended for riders over 200 pounds or frequent two-up riding.