Price evolution
Product description
Highlights
This Heavy Duty Bike U Lock pairs rugged security with practical design, offering a 12 ton shear resistance and a silicone exterior that helps keep frames scratch free. It suits urban commuters and occasional cyclists who need a straightforward, robust deterrent against theft, and the included 4ft steel cable and mounting bracket make it ready for everyday use.
Tech specs
- Name: Heavy Duty Bike U Lock
- Type: U shape lock
- Material: zinc alloy shackle and steel cable
- Size: 0.74 inch shackle, 4ft cable
- Colour: silicone covered
Why it makes sense
The lock’s 0.74 inch shackle is made from imported zinc alloy, offering the stated 12 ton hydraulic shear resistance according to the manufacturer, and the cylinder is described as heat resistant and shear proof. A silicone wrap conceals the fixing screws and protects paintwork, while a dustproof cover helps prolong cylinder life. The package includes three keys which reduces the chance of being left stranded.
How to use it
Mounting is simple with the supplied bracket, and a 1.2 inch non slip pad helps keep the lock steady on a seat post while riding. For most situations use the U lock to secure frame and rear wheel to a fixed object, then add the steel cable to loop through the front wheel when needed. If you prioritise portability over absolute weight savings, this offers a sensible balance, if you prefer ultra-light gear you may want a lighter alternative.
Care & maintenance
Keep the dustproof cover closed when not in use and occasionally wipe the silicone surface clean to prevent grit build up. Avoid exposing the lock to prolonged saltwater spray and lubricate the lock core as recommended by the manufacturer to maintain smooth operation.









