Description
The ETOOK Titan Ultra Steel Chain Lock is a 1.1m, 9mm hardened chain lock built for anyone who wants real peace of mind – whether you’re locking up an e-bike, a regular bike, an electric scooter or a motorcycle. With a maximum 6/6 security rating and a fully enclosed 4-digit combination, it’s designed to be the kind of lock most thieves decide isn’t worth the effort.
Key features
- 9mm hardened steel chain links
- Maximum 6/6 security rating
- 4-digit combination access – no key required
- Woven nylon protective sleeve
- 1.1m length for flexible anchoring
- Compact enough to carry daily
Perfect for
Product information
- Security Rating: 6/6 (maximum)
- Chain Thickness: 9mm hardened steel
- Length: 1.1m (110cm)
- Locking Type: 4-digit combination
- Pickup: Alexandria NSW
- Delivery: Australia-wide postage available
Additional Product Details
Every link in the Titan Ultra’s chain is forged from 9mm hardened steel – thick enough to resist the bolt cutters and hand tools that make short work of thinner cables and budget chains. ETOOK rates the lock at 6/6 for security, the top of their scale, reflecting how much resistance the chain and combination mechanism offer against cutting, prying and drilling.
The chain is wrapped in a woven nylon sleeve, so it won’t scratch your frame, forks or paintwork while it’s coiled around your ride, and it holds up well to everyday weather without the steel underneath rusting or seizing. At 1.1m, there’s enough reach to loop through a wheel and the frame and around a solid fixed object, without carrying more chain than you actually need.
Safety & Usage Notes
No chain lock is completely immune to a determined, well-equipped thief, so how you use it matters as much as the lock itself. Loop the chain through the frame and, ideally, the front wheel, then lock it to something solid and fixed to the ground – a proper bike rail or a post set in concrete – rather than a fence panel, a sign that can be lifted off its posts, or anything else that could be removed with the bike still attached.
Where you can, choose well-lit, busier parking spots over quiet side streets, and try to keep the lock’s cylinder facing down or towards the ground rather than exposed and easy to work on. For extra peace of mind – particularly with e-bikes, which are a common theft target because of their resale value – some riders pair a chain lock like this one with a Bluetooth tracker or GPS tracker, so there’s still a way to locate the bike if a determined thief does get through.
Frequently Asked Questions
Is the ETOOK Titan Ultra chain lock suitable for e-bikes?
Yes. It’s one of the most popular lock choices among Cool Bikes customers securing e-bikes, since e-bikes are heavier, more valuable and more attractive to thieves than a standard bicycle. The 9mm hardened chain and 6/6 security rating give an e-bike the level of protection its value deserves.
How does the 4-digit combination work, and can I change the code?
The lock uses a built-in 4-digit combination dial, so there’s no key to carry or lose. Combination codes on this style of lock can typically be reset once you know the existing code – check the instructions included with your lock, or get in touch with us if you’d like a hand.
Will this lock stop an angle grinder or bolt cutters?
No lock, including this one, is completely grinder-proof – angle grinders can cut through most consumer bike chains given enough time and the right conditions. What the Titan Ultra’s 9mm hardened steel does well is rule out the much larger number of opportunistic thieves relying on bolt cutters or hand tools, which is where most everyday bike and e-bike theft actually happens.
Is the chain lock OK to leave outside in the rain?
Yes. The chain sits inside a woven nylon sleeve that holds up well to everyday Sydney weather, and the hardened steel underneath resists corrosion. As with any lock, it’s still good practice to occasionally wipe it down and keep the combination dial free of grit and dirt.
What's the best way to lock my e-bike with this chain?
Pass the chain through the bike’s frame and front wheel, then around a fixed, solid object such as a bike rail or a post secured to the ground – not a fence panel or a freestanding sign. Keeping the lock body off the ground where possible also makes it harder for anyone to get proper leverage on it.
Can I use this chain lock with a GPS or Bluetooth tracker?
Definitely – plenty of our customers pair a chain lock like this with a Bluetooth Tracker or a GPS Tracker for extra peace of mind, especially on e-bikes. The lock deters and slows down theft; the tracker gives you a way to find your bike if it’s ever taken.
No lock can guarantee against theft, including this one – the Titan Ultra is built to make an attempted theft far harder and slower, not impossible. For the best protection, combine it with a secure, well-lit parking spot and, where possible, a second layer of protection such as a tracker.









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