Security chain 850mm, a tough and lightweight portable bike lock. Made from multiple high-strength steel cores. Flexible outer layer with a neoprene protective cover. Comfortable to use and specially designed not to damage the frame of your bike.

Unique patented linear pin locking mechanism. The keyhole system operates without the need for rotation, opening with the push of a button for quick and easy use. Includes an adjustable extension strap for waist sizes from 30-48 inches.

Lock length 850mm. Connect multiple Straplok 35/850 bike locks together to extend the lock's reach.