Duotone Shox Upgrade Kit Power.XT 2.0 SDM Surf Accessories We present the Unifiber SDM

We present the Unifiber SDM V2 aluminum Extension

New LE geometry for greater stiffness without increasing diameter

Slowest hovering speeds

and serve as multifunctional waterproof storage

The proven underwater hull

Duotone Shox Upgrade Kit Power.XT 2.0 SDM Surf Accessories We present the Unifiber SDMWe present the Duotone Shox Upgrade Kit Power. XT 2. 0 SDM. The Shox Upgrade Kit Power. XT 2. 0 SDM is the retrofit upgrade for Duotone Extensions with an SDM connection. The Shox damper reduces peak loads during hard luff pull, thereby protecting the mast, Extension, and sail. Easy to install, with immediate results. Highlights Shock Absorber Upgrade for SDM Extensions Protects the mast and sail from peak loads Easy installation