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The strongest bike lock in the EcoBike range. The EcoBike U-Lock Bike Lock Set combines an 18mm quenched hardened steel shackle, a thick security cable, an adjustable mounting bracket and 2 keys — everything you need for serious bicycle security in Australia, included in one complete set right out of the box.
The EcoBike U-lock uses an 18mm thick quenched hardened steel shackle — one of the thickest shackles available on any bike u lock in Australia. Quenching is a heat treatment process that hardens steel to an exceptional level — delivering high hardness, outstanding impact resistance and strong cut resistance against bolt cutters, hacksaws and angle grinders. The shackle is coated in a 0.1-inch PVC sleeve that prevents scratches on your bike frame, wheels and paintwork. If you are searching for the most heavy duty bike lock in Australia, this is it.

At 9.5 inches tall and 4 inches wide, this is an oversized U-lock / D-lock bike lock — significantly larger than standard U-locks that can only thread through a wheel or a thin post. The oversized shackle fits through your bike frame AND rear wheel simultaneously, and still locks around a street pole, bike rack, fence or signpost. Three different mounting positions are available on your bike using the included adjustable bracket. Weighing just 2.52lb, it is heavy enough to mean business and light enough to carry every day.
Most bike u locks in Australia are sold as just the lock. The EcoBike U-Lock Set includes everything: the 18mm U-lock, a thick braided security cable, an adjustable mounting bracket and 2 keys. Use the U-lock to secure your frame and rear wheel to a fixed object and loop the security cable through your front wheel — securing all three points with one set. The adjustable bracket fits round tubes up to 8cm / 3.15 inches in diameter and is compatible with all bicycle types including road bikes, mountain bikes, electric bikes and commuter bikes.

The EcoBike U-lock comes with an adjustable mounting bracket that fits tubes up to 8cm in diameter. Mount the bracket in one of three positions on your bicycle — on the down tube, the seat tube or the chainstay — for quick, convenient access every time you need to lock up. The bracket snaps the U-lock securely in place for a rattle-free ride and releases instantly when you are ready to lock. Compatible with all bicycle types across Australia.

Every EcoBike U-Lock Bike Lock Set order includes free Australia-wide shipping — fully tracked to your door in Sydney, Melbourne, Brisbane, Perth, Adelaide and every suburb in between. Full 2-year Australian warranty on every lock. Local Australian support team available 7 days a week via phone, email and live chat. Afterpay and Zip available at checkout — 4 interest-free fortnightly payments. Orders dispatch within 1 to 2 business days.