Kryptoflex 710 Double Loop Cable 7' x 10mm (210610) by Kryptonite®. Perfect for locking two or more bicycles, motorcycles or scooters together when combined with another Kryptonite lock. For over 40 years, Kryptonite has been your dependable, high quality lock provider, ensuring your ride, wether bicycle, or motorized, is ready to get you where you want to go.
eBay