About Zefal Keyless Antitheft System For Both Wheels In the horizontal position, the quick release lever is automatically locked; to unlock it the bike has to be lifted up to the vertical position. A special washer makes unscrewing impossible even with a tool. The wheel antitheft system substitutes the quick-release of the wheels. The saddle antitheft system substitutes the quick-release of saddle clamp.

Features

• Z-SAFE LR SYSTEM Patented keyless antitheft system for wheels and saddle.
• HIGH RESISTANCE Tensile and torsion strength. Antitheft.
• WEATHER PROTECTION Durability.
• TOOLS FREE Easy and quick mounting, no tool required.
• ANTITHEFT A special washer makes unscrewing impossible even with a tool.

Specifications

• Type: Locking pin
• Material: Aluminium
• Skewer dimensions
• Front-wheel: 5 x 128 mm / 0.20 x 5.04
• Rear-wheel: 5 x 163 mm / 0.20 x 6.42
• Front and rear wheels: 120 g
• Security level: 3,5
• Weight
• Complete set: 160 g
• Front and rear wheels: 120 g
• Seat post: 40 g.