Let me start by saying, if you're serious about bike security, the Kryptonite Keeper 785 is a solid choice. The moment I unboxed it, the weight and thickness of the 7mm hardened steel chain immediately gave me confidence. This isn't some flimsy cable lock that thieves can snip through with basic tools.
The rubber coating is a nice touch - no more worrying about scratches on my bike frame. I've used it daily for months now, wrapping it around parking meters and bike racks, and the coating has held up perfectly. The weather-resistant sleeve also means I don't panic when caught in unexpected rain showers.
Where this lock really shines is its versatility. That 2.8-foot length (which initially seemed excessive) turns out to be perfect - enough to secure my bike to larger objects when needed, but not so long that it's cumbersome to carry. I usually loop it around my waist while riding - yes, it's heavy at 3.5 lbs, but you get used to it quickly.
Now for the not-so-perfect part: the locking mechanism can be finicky. Like several other reviewers mentioned, inserting the key requires just the right angle. It's gotten better with use (and a dab of lubricant), but this is definitely an area where Kryptonite could improve.
The Key Safe Program is genius though - knowing I can get replacement keys if needed gives me peace of mind that many other locks don't offer.
Would I recommend it? Absolutely - for moderate security needs like quick stops at cafes or stores. If you're leaving your bike overnight in high-theft areas, you might want something even beefier. But for everyday protection that balances security and convenience, the Keeper 785 hits a sweet spot.