Delta Cycle Defender Bike Lock
Finally, a lock that looks great and keeps your bike secure.The lightweight, ultra-convenient Delta Cycle Defender bike lock keeps your bike safe with its innovative CableLink® technology.

- Kevlar®-wrapped steel cable encased in hardened steel links prevents thieves from quickly cutting the lock and taking your bike
- Lighter than a U-lock and stronger than a cable
- CableLink design provides security and flexibility to lock your bike in a variety of situations
- 7-pin lock mechanism prevents easy picking
- Spherical shape deflects a hammer's blow
- Hardened steel beads cover a steel cable encased in a soft silicone cover to protect your frame from damage
- Included mounting bracket is simple to use
Imported.
View all Delta Cycle Cable LocksBest Use | Cycling |
---|---|
Lock Style | Cable Lock |
Lock Type | Key Lock |
Lock Thickness (mm) | 19 millimeters |
Material(s) | Steel |
Dimensions | 10 x 7.5 x 1.75 inches |
Mounting | Frame |
Weight | 2 pounds |
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Worse than a lock
After 1 month it wouldn't unlock. The key just turned all of the way around. I called a locksmith who said the pins were broken, he used an angle grinder to cut through it in 20 seconds. I like the attempt at a new design, but it has some fatal flaws still.
Lock Mechanism is Poor
Cable link system seems a good concept, but the actual locking mechanism was challenging to use and broke within a month. Additionally, the plastic tubing sleeve on the cable isn’t secured and slips, making it challenging to seat the cable in the lock and secure it. After I cut the sleeve shorter, this was resolved. A few uses later, and the lock would not unlock, leaving me stranded with my bike locked up. While the keys would no longer work, I was able to twist and pull the cable in such way that it eventually broke free (with my bare hands!) and I was able to retrieve my bike. The lock had less than 20 uses when this occurred
REI won’t let you return it
Don’t know how to update the review but they said I can’t return it for “misuse” because I snapped it open lol. FYI to anyone, please don’t buy this
truly terrible
I used it for six months without a problem, until the lock broke and my bike was locked outside of a target. In a panic, I checked the reviews and was inspired by the other reviews. I broke it off myself in 20 seconds. Can’t believe I debated buying an angle grinder.