Kryptonite New-U Evolution U-Lock

At 2.65 lbs, the Evolution U-Lock is a mid-weight option that balances security with portability. While you will notice the weight, the included Flex Frame-U bracket makes it easy to mount the lock directly to your bike frame, keeping the weight off your back while riding.

Yes, the 13mm shackle is a standard size designed to fit most bike racks and street furniture. However, if you have a bike with particularly thick frame tubing or are locking to oversized poles, you may find the internal clearance a bit snug.

The double deadbolt design locks both sides of the shackle into the crossbar. This is critical because it forces a thief to make two separate cuts to remove the lock, rather than just one, which significantly increases the time and effort required to defeat it.

Yes, the protective vinyl coating acts as a buffer between the hardened steel shackle and your bike's frame. It is durable enough to prevent paint chips and scratches during the daily locking and unlocking process.

The light-up key is surprisingly helpful for late-night rides or parking in dimly lit garages. It provides just enough illumination to help you locate the keyhole quickly without needing to fumble with a phone flashlight.

The sliding dustcover does a great job of keeping grit and debris out of the cylinder, which is the main cause of sticky locks. To keep it operating smoothly, we recommend applying a silicone-based lubricant to the cylinder once or twice a year.