No more remembering combinations, codes, or keys, Noke U-Lock allows you to lock and unlock your bike with your smartphone. With the app, available for Bluetooth iOS, Android, and Windows devices, Noke U-Lock only unlocks when your unique code has been entered and you’re close to your bike. Also with the app you can share access and limit your friends’ usage with a predetermined schedule. Noke U-Lock effortlessly snaps into place and can be left on your bike during your ride with the conveniently included bike mount. Noke U-Lock is equipped with a battery that can go years between charges, an anti-tampering alarm, and is made of virtually indestructible steel. Available in brown or black with your choice of black or silver accents, Noke U-Lock can also be unlocked with a back up quick click code in the event your phone dies.