Amazon offers Smart Limink Warterproof Bike lock Cable for $27.99 with free shipping.
First you can save $7.20 with 18% extra savings coupon applied at checkout, clip it and direct reduce money at checkout. Then use the Coupon Code “LIMINKLOCK” to save $4.80, so you can save $12.00 after discount.
With the waterproof Bluetooth Bike lock , you need no key to open your lock, you also can share the lock to your family. Easy and keyless.