Easy and quick mounting, no tool required.
The wheel antitheft substitutes the quick-release of the wheels
The saddle antitheft substitutes the quick-release of saddle clamp

Patent concept : in the horizontal position, the quick release lever is automatically locked, to unlock the bike has to be lifted-up to the vertical position. A special washer makes the unscrewing impossible even with a tool.
Set Wheels & Saddle: 156 g
Set Wheels: 116 g
Saddle: 40 g