Let me start by saying this chain and lock combo is an absolute beast. I've used it to secure my motorcycle, e-bike, and even a U-Haul trailer during cross-country moves - it never let me down.

The first thing you'll notice is the weight (about 20-30 lbs). While heavy, this heft translates to serious security. The case-hardened steel chain genuinely lives up to its claim of being bolt-cutter resistant - I've seen YouTube tests where thieves give up after multiple attempts.

What I love most is the thoughtful design. The square links prevent bolt cutters from getting proper grip, while the included Cordura wear pad protects your bike's finish from scratches. The matching padlock fits perfectly between links, making it nearly impossible to attack with tools.

Real-world usage tip: For motorcycles, I recommend keeping it in saddlebags rather than trying to carry it while riding. The 9-foot length offers great flexibility - I can secure my bike to fixed objects or wrap multiple times through both wheels and frame.

Two minor drawbacks: 1) The weight makes it impractical for daily commuting if you don't have storage space. 2) While the lock is physically tough, some users report it might be vulnerable to skilled lock-picking (though this requires specialized knowledge most thieves don't have).

After testing for months in various conditions (rain, snow, road trips), I can confirm the electro-galvanized finish prevents rust remarkably well. The included spare keys are a nice touch, though getting duplicates made might require special ordering blanks.

Bottom line: If you need maximum security for high-value items and don't mind the weight, this is hands-down the best chain/lock combo on the market. It's pricey but worth every penny for the peace of mind knowing your property is protected by what's essentially portable bank-vault security.